Merge_models Failed error

[gaga (Gagandeep Jadhav)]

Hi All,
Could someone please advise why am I experiencing this error “Merge_models Failed” within the model editor?
This error message flashes when I try to import the snapshot created into the Model Editor. 1. in the Image below.
The error message is highlighted in 2.
and i have downloaded the log file but deciphering it is a bit beyond my capabilities.
2025.09.30 10_02_51.064.log (5.4 KB)

Any assistance with this would be helpful.

Best, Gagan

[mostapha]

Hi @gaga,

In the Model Editor classic, the import should only be used when you already have a model in the editor. When the editor is empty you should use open instead.

Also, I strongly recommend switching to Model Editor V2. Here is the announcement from last week.

We Didn't Make it to AU, So We're Releasing the Model Editor V2 for You Instead

Hello community, Our plan was to attend AU 2025, teach a workshop using the Model Editor V2, show the Revit plugin V3 in action, and then make an announcement on Discourse. For reasons that were out of our control, we didn’t make it to Autodesk University this year… but we’re still following our plan! The Pollination Revit Plugin V3 is a Go! Last month, we shared the first preview of the Pollination Revit plugin Version 3.0. Since then, we’ve built a full proof of …

[gaga (Gagandeep Jadhav)]

Hi @mostapha,
The suggestion worked and snapshot is now imported.

Thanks for the quick response, as always!