# \#question

**URL:** https://discourse.pollination.solutions/tag/question/5.md

[Latest](https://discourse.pollination.solutions/latest.md) · [Categories](https://discourse.pollination.solutions/categories.md) · [Tags](https://discourse.pollination.solutions/tags.md)

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## [Export Select Rooms](https://discourse.pollination.solutions/t/export-select-rooms/29538)

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**Author:** [@mdouglass](https://discourse.pollination.solutions/u/mdouglass)\
**Replies:** 4\
**Last updated:** [October 28, 2026, 2:31pm UTC](https://discourse.pollination.solutions/t/export-select-rooms/29538 "2026-10-28T14:31:50Z")

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Is there a way to export only selected rooms with the new Revit Connector? Only a small portion of the level has changed, so I don’t want to export the entire level unnecessarily.

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## [I could not able to find the Grasshopper plugin on the website](https://discourse.pollination.solutions/t/i-could-not-able-to-find-the-grasshopper-plugin-on-the-website/29535)

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**Author:** [@snehal-raut](https://discourse.pollination.solutions/u/snehal-raut)\
**Replies:** 1\
**Last updated:** [October 27, 2026, 5:45am UTC](https://discourse.pollination.solutions/t/i-could-not-able-to-find-the-grasshopper-plugin-on-the-website/29535 "2026-10-27T05:45:51Z")

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There is not an option for the grasshopper plugin download

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## [Natural ventilation control issue](https://discourse.pollination.solutions/t/natural-ventilation-control-issue/29524)

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**Author:** [@nicholaskerr](https://discourse.pollination.solutions/u/nicholaskerr)\
**Replies:** 1\
**Last updated:** [October 22, 2026, 6:32pm UTC](https://discourse.pollination.solutions/t/natural-ventilation-control-issue/29524 "2026-10-22T18:32:45Z")

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Hi there, I am trying to assign vent control to rooms set up in pollination with their window opening properties defined in pollination. Is there a way to do this natively in pollination? If i do it in grasshopper then …

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## [Appendix G Recipe: Assigned SHW System Error](https://discourse.pollination.solutions/t/appendix-g-recipe-assigned-shw-system-error/29494)

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**Author:** [@vitorleiteg](https://discourse.pollination.solutions/u/vitorleiteg)\
**Replies:** 6\
**Last updated:** [October 2, 2026, 5:21pm UTC](https://discourse.pollination.solutions/t/appendix-g-recipe-assigned-shw-system-error/29494 "2026-10-02T17:21:11Z")

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Hello all, The Appendix G recipe is turning red after failing to run the proposed model. Initially I thought it was due the HVAC system (due to various severe warnings during sizing), but it seems that something related…

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## [Pollination - First time using, couple questions](https://discourse.pollination.solutions/t/pollination-first-time-using-couple-questions/29492)

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**Author:** [@vitorleiteg](https://discourse.pollination.solutions/u/vitorleiteg)\
**Replies:** 6\
**Last updated:** [October 2, 2026, 3:39pm UTC](https://discourse.pollination.solutions/t/pollination-first-time-using-couple-questions/29492 "2026-10-02T15:39:05Z")

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Hello everyone, Been a while since I’ve last used Ladybug tools. Lot’s of Phius work here in New England which unfortunately got me tied to other modeling tools for the past 3-4 years. Now I’m trying to get up-to-date …

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## [Extrusion height of rooms](https://discourse.pollination.solutions/t/extrusion-height-of-rooms/29495)

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**Author:** [@edaozkan](https://discourse.pollination.solutions/u/edaozkan)\
**Replies:** 4\
**Last updated:** [October 2, 2026, 3:09pm UTC](https://discourse.pollination.solutions/t/extrusion-height-of-rooms/29495 "2026-10-02T15:09:24Z")

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Hi, I have extruded all double height spaces to the same level and assigned ‘exterior roof’ as the ceiling boundary condition (the roof is slightly slanted) but some rooms are not following the condition I set. I’ve att…

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## [Plugin installation (one click installer through pollination)](https://discourse.pollination.solutions/t/plugin-installation-one-click-installer-through-pollination/23088)

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**Author:** [@mzmd](https://discourse.pollination.solutions/u/mzmd)\
**Replies:** 4\
**Last updated:** [October 1, 2026, 4:06pm UTC](https://discourse.pollination.solutions/t/plugin-installation-one-click-installer-through-pollination/23088 "2026-10-01T16:06:39Z")

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Hi I’ve been trying to install the ladybug plugin through the one click pollination installer. However, I am just not able to load the plugin after installation. I keep getting various sorts of errors. I have also ensur…

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## [Rhino to DesignBuilder (export to dsbXML) Issue](https://discourse.pollination.solutions/t/rhino-to-designbuilder-export-to-dsbxml-issue/29460)

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**Author:** [@russrey](https://discourse.pollination.solutions/u/russrey)\
**Replies:** 3\
**Last updated:** [September 17, 2026, 8:08pm UTC](https://discourse.pollination.solutions/t/rhino-to-designbuilder-export-to-dsbxml-issue/29460 "2026-09-17T20:08:14Z")

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How to have multiple rooms in a single block in DesignBuilder from the Rhino xml export? I saw in the video above that after importing the xml to DB, the block (ex. 01 - Entry Level) has all the rooms/zones inside (ex. 1…

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## [Rhino 8 Pollination License Page is not Loading / Not Working](https://discourse.pollination.solutions/t/rhino-8-pollination-license-page-is-not-loading-not-working/29459)

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**Author:** [@hugoan7424](https://discourse.pollination.solutions/u/hugoan7424)\
**Replies:** 3\
**Last updated:** [September 16, 2026, 7:33pm UTC](https://discourse.pollination.solutions/t/rhino-8-pollination-license-page-is-not-loading-not-working/29459 "2026-09-16T19:33:48Z")

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Rhino 8 SR35 (8.35.26251.13001) Pollination Rhino Plugin 1.70.20.0 PO\_LicenseManager opens a blank white window. The Pollination website works normally in Chrome. WebView2 Runtime is installed: C:\\Program Files (x86)…

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## [Ironbug - Adding outdoor air controller to ZoneERV component](https://discourse.pollination.solutions/t/ironbug-adding-outdoor-air-controller-to-zoneerv-component/29417)

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**Author:** [@anjaligokal](https://discourse.pollination.solutions/u/anjaligokal)\
**Replies:** 6\
**Last updated:** [September 1, 2026, 8:40am UTC](https://discourse.pollination.solutions/t/ironbug-adding-outdoor-air-controller-to-zoneerv-component/29417 "2026-09-01T08:40:12Z")

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Hi @mingbo I’m making a script for a development project investigating the relationships between embodied carbon and operational energy in MEP systems. I’m trying to set up an MVHR system with a summer bypass in Ironbu…

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## [MEP Space parameters: from REVIT to Pollination room name and energy zone](https://discourse.pollination.solutions/t/mep-space-parameters-from-revit-to-pollination-room-name-and-energy-zone/29410)

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**Author:** [@gruner](https://discourse.pollination.solutions/u/gruner)\
**Replies:** 3\
**Last updated:** [August 24, 2026, 2:35pm UTC](https://discourse.pollination.solutions/t/mep-space-parameters-from-revit-to-pollination-room-name-and-energy-zone/29410 "2026-08-24T14:35:52Z")

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Hi Pollination team and community, I am using the new Pollination Revit workflow to export MEP Spaces from Revit and then export the model to IDA ICE. My goal is to populate two Pollination room properties directly fro…

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## [True vs Project North?](https://discourse.pollination.solutions/t/true-vs-project-north/29407)

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**Author:** [@jacobanderson](https://discourse.pollination.solutions/u/jacobanderson)\
**Replies:** 3\
**Last updated:** [August 19, 2026, 9:17pm UTC](https://discourse.pollination.solutions/t/true-vs-project-north/29407 "2026-08-19T21:17:31Z")

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How does the Model Editor import true vs project north from Revit, and are these settings managed through the Model Editor or through Revit? I have noticed while trying to import from a mechanical model and linked archi…

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## [Ceiling plenums created from table but leaving a gap](https://discourse.pollination.solutions/t/ceiling-plenums-created-from-table-but-leaving-a-gap/29393)

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**Author:** [@jacobanderson](https://discourse.pollination.solutions/u/jacobanderson)\
**Replies:** 15\
**Last updated:** [August 15, 2026, 5:21pm UTC](https://discourse.pollination.solutions/t/ceiling-plenums-created-from-table-but-leaving-a-gap/29393 "2026-08-15T17:21:42Z")

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I am trying to apply ceiling plenums through the table view. The model only has one floor, but with multiple roof heights. I imported even flat roofs and extruded spaces up to roofs using ceiling boundary condition of ‘e…

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## [Apertures breaking after PO\_SplitRooms — boundary condition error + cannot locate aperture by ID](https://discourse.pollination.solutions/t/apertures-breaking-after-po-splitrooms-boundary-condition-error-cannot-locate-aperture-by-id/29376)

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**Author:** [@sabrinaroszelin](https://discourse.pollination.solutions/u/sabrinaroszelin)\
**Replies:** 4\
**Last updated:** [August 11, 2026, 12:59pm UTC](https://discourse.pollination.solutions/t/apertures-breaking-after-po-splitrooms-boundary-condition-error-cannot-locate-aperture-by-id/29376 "2026-08-11T12:59:42Z")

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Hi all, I am setting up a daylighting simulation and hitting a validation error. Workflow (new model): Rooms were split first using PO\_SplitRooms, then I added apertures and border shades for the recessed façade using P…

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## [Exporting errors for valid model](https://discourse.pollination.solutions/t/exporting-errors-for-valid-model/29362)

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**Author:** [@mlee](https://discourse.pollination.solutions/u/mlee)\
**Replies:** 4\
**Last updated:** [August 11, 2026, 12:56pm UTC](https://discourse.pollination.solutions/t/exporting-errors-for-valid-model/29362 "2026-08-11T12:56:37Z")

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Hello, I’m a new user to Pollination exporting my first model from Revit to IESVE. I followed the steps and validated the model, which shows no errors or warnings, but I’m getting the following error message when exporti…

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## [Automating thermal bridge length extraction in Pollination](https://discourse.pollination.solutions/t/automating-thermal-bridge-length-extraction-in-pollination/18119)

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**Author:** [@rbs](https://discourse.pollination.solutions/u/rbs)\
**Replies:** 29\
**Last updated:** [February 4, 2026, 10:00pm UTC](https://discourse.pollination.solutions/t/automating-thermal-bridge-length-extraction-in-pollination/18119 "2026-02-04T22:00:42Z")

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Hi everyone ! I’m exploring whether Pollination could help automate the extraction of thermal bridge lengths directly from the building geometry - Model Editor. For example, calculating linear intersection distances bet…

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## [Is there a way to disable the idle license return feature?](https://discourse.pollination.solutions/t/is-there-a-way-to-disable-the-idle-license-return-feature/29359)

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**Author:** [@josiahfce](https://discourse.pollination.solutions/u/josiahfce)\
**Replies:** 5\
**Last updated:** [July 20, 2026, 6:47pm UTC](https://discourse.pollination.solutions/t/is-there-a-way-to-disable-the-idle-license-return-feature/29359 "2026-07-20T18:47:44Z")

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Hey Pollination Team, I’m experiencing a new license timeout flag… is it possible to turn off the reminder? It’s a bother since I am the only one in office to be using the software. The other point I need help with is …

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## [Private projects, cpus, and created organization](https://discourse.pollination.solutions/t/private-projects-cpus-and-created-organization/3713)

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**Author:** [@threegreen](https://discourse.pollination.solutions/u/threegreen)\
**Replies:** 9\
**Last updated:** [June 22, 2026, 11:29pm UTC](https://discourse.pollination.solutions/t/private-projects-cpus-and-created-organization/3713 "2026-06-22T23:29:36Z")

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Hi everyone, I have three questions regarding private projects, cpus, and created organizations. Can I only create a private project in one organization? Is there a number limit? When I create a organization and run s…

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## [Auto allignment](https://discourse.pollination.solutions/t/auto-allignment/29292)

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**Author:** [@thibaudve](https://discourse.pollination.solutions/u/thibaudve)\
**Replies:** 1\
**Last updated:** [June 5, 2026, 1:47pm UTC](https://discourse.pollination.solutions/t/auto-allignment/29292 "2026-06-05T13:47:22Z")

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According to our current Revit workflow we need our rooms to … Outer walls: start at the inside of outer walls Inner walls: start at the centre of inner walls Since our BOQ is obtained from Revit, we need our ro…

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## [Windows missing from Exterior and Complex Roof Issue](https://discourse.pollination.solutions/t/windows-missing-from-exterior-and-complex-roof-issue/29281)

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**Author:** [@krockwell1110](https://discourse.pollination.solutions/u/krockwell1110)\
**Replies:** 4\
**Last updated:** [June 2, 2026, 1:36pm UTC](https://discourse.pollination.solutions/t/windows-missing-from-exterior-and-complex-roof-issue/29281 "2026-06-02T13:36:16Z")

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I’m a rookie user and am having two issues with my model: The windows/doors I added to my Pollination model generally are not being mapped onto my exterior walls (perhaps because they were thick masonry walls and I may …

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## [Windows/Doors not Appearing in Pollination Preview or eQUEST](https://discourse.pollination.solutions/t/windows-doors-not-appearing-in-pollination-preview-or-equest/29269)

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**Author:** [@levisiwek](https://discourse.pollination.solutions/u/levisiwek)\
**Replies:** 3\
**Last updated:** [May 26, 2026, 2:54am UTC](https://discourse.pollination.solutions/t/windows-doors-not-appearing-in-pollination-preview-or-equest/29269 "2026-05-26T02:54:34Z")

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Windows and doors are not appearing in model editor preview or in eQUEST, even though they are appearing in the model editor table. They seem to be exporting fine from Revit. Do you know why this may be happening?

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## [Export spandrels as doors](https://discourse.pollination.solutions/t/export-spandrels-as-doors/3163)

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**Author:** [@kbomar](https://discourse.pollination.solutions/u/kbomar)\
**Replies:** 3\
**Last updated:** [December 9, 2025, 11:25pm UTC](https://discourse.pollination.solutions/t/export-spandrels-as-doors/3163 "2025-12-09T23:25:15Z")

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hey pollination folks, Is there a way to export spandrels as doors in the Revit plug-in? Some context - In our energy modeling process, we build unique constructions in IES for spandrels that ultimately are categorized …

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## [Questions Regarding Pollination Workflow](https://discourse.pollination.solutions/t/questions-regarding-pollination-workflow/29052)

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**Author:** [@bioarcht](https://discourse.pollination.solutions/u/bioarcht)\
**Replies:** 9\
**Last updated:** [May 8, 2026, 10:38am UTC](https://discourse.pollination.solutions/t/questions-regarding-pollination-workflow/29052 "2026-05-08T10:38:57Z")

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Is it currently possible to create or modify Program Types and Construction Sets (including parameters like people, lighting, materials, etc.) via Python in the Revit Model Editor? If not, what is the recommended workfl…

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## [Is there any way Member users can see who is currently accessing a license?](https://discourse.pollination.solutions/t/is-there-any-way-member-users-can-see-who-is-currently-accessing-a-license/4515)

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**Author:** [@vanruitm](https://discourse.pollination.solutions/u/vanruitm)\
**Replies:** 5\
**Last updated:** [May 5, 2026, 4:52am UTC](https://discourse.pollination.solutions/t/is-there-any-way-member-users-can-see-who-is-currently-accessing-a-license/4515 "2026-05-05T04:52:53Z")

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As an Owner user, I can see who is currently utilizing a license from our Revit plugin license pool. Is there any way a standard Member user can see the license activity?

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## [Best practice for curved roof](https://discourse.pollination.solutions/t/best-practice-for-curved-roof/28724)

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**Author:** [@cgeneves](https://discourse.pollination.solutions/u/cgeneves)\
**Replies:** 6\
**Last updated:** [May 3, 2026, 2:40am UTC](https://discourse.pollination.solutions/t/best-practice-for-curved-roof/28724 "2026-05-03T02:40:15Z")

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Hi, I have building which has a curved roof\`: I have two floors but since the roof is curved, the second floor is smaller than the first one. The first floor rooms that don’t have a room above have directly the roo…

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## [Model Editor script fails to update ceiling plenum depth](https://discourse.pollination.solutions/t/model-editor-script-fails-to-update-ceiling-plenum-depth/28879)

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**Author:** [@gregatze](https://discourse.pollination.solutions/u/gregatze)\
**Replies:** 3\
**Last updated:** [April 28, 2026, 12:41am UTC](https://discourse.pollination.solutions/t/model-editor-script-fails-to-update-ceiling-plenum-depth/28879 "2026-04-28T00:41:13Z")

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I’m trying to write a script that updates the “Ceiling plenum depth (ft)” attribute of rooms in my model from a CSV file in the mapped directory. However, the script runs but the “write” operation to room.ceiling\_plenum\_…

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## [Grasshopper & Rhino Crashing when tryin to add LB Components on Canvas!](https://discourse.pollination.solutions/t/grasshopper-rhino-crashing-when-tryin-to-add-lb-components-on-canvas/22099)

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**Author:** [@sammy](https://discourse.pollination.solutions/u/sammy)\
**Replies:** 4\
**Last updated:** [April 24, 2026, 6:50pm UTC](https://discourse.pollination.solutions/t/grasshopper-rhino-crashing-when-tryin-to-add-lb-components-on-canvas/22099 "2026-04-24T18:50:30Z")

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I have been facing an issue with using Ladybug for a while now. I installed the latest pollination using the installer version 1.65.34. I am running the latest Rhino SR 26. Whenever I try to open grasshopper I see an er…

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## [Move rooms in ModelEditor?](https://discourse.pollination.solutions/t/move-rooms-in-modeleditor/28124)

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**Author:** [@gregatze](https://discourse.pollination.solutions/u/gregatze)\
**Replies:** 6\
**Last updated:** [April 15, 2026, 8:32pm UTC](https://discourse.pollination.solutions/t/move-rooms-in-modeleditor/28124 "2026-04-15T20:32:16Z")

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I’m not finding a way to move a group of rooms in model editor. Is there a way? If not, I think this would be a useful feature. I’m using the Revit plugin on a medical office building project that has a couple of linked…

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## [Windows and Doors not showing in 'Select Windows and Doors' Tab](https://discourse.pollination.solutions/t/windows-and-doors-not-showing-in-select-windows-and-doors-tab/28187)

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**Author:** [@samwilliams](https://discourse.pollination.solutions/u/samwilliams)\
**Replies:** 1\
**Last updated:** [April 15, 2026, 3:39pm UTC](https://discourse.pollination.solutions/t/windows-and-doors-not-showing-in-select-windows-and-doors-tab/28187 "2026-04-15T15:39:43Z")

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Hi, We are currently trying to export our first geometry using pollination. We recieved an IFC model which we then linked into Revit creating a Revit model (2025). The model contains multiple buildings. We then opened…

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## [After installing Pollination, all LB, HB and DF plugins went red + are leabeled OLD](https://discourse.pollination.solutions/t/after-installing-pollination-all-lb-hb-and-df-plugins-went-red-are-leabeled-old/27183)

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**Author:** [@simonprokop](https://discourse.pollination.solutions/u/simonprokop)\
**Replies:** 5\
**Last updated:** [April 14, 2026, 6:41pm UTC](https://discourse.pollination.solutions/t/after-installing-pollination-all-lb-hb-and-df-plugins-went-red-are-leabeled-old/27183 "2026-04-14T18:41:23Z")

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Hi there, I’m a bit stuck here. I’ve been working fine with the LadyBug 1.8.0 version, then updated to 1.9.0 a month ago. Then I’ve installed Pollination and all the Grasshopper components turned red saying: Solution e…

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