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realthunder / FreeCAD

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Forced, inexplicable PartDesign migration breaks the object tree #892

Closed m-sundman closed 1 year ago

m-sundman commented 1 year ago

I've created a project completely in the 2023.811.0 (r14555), and suddenly trying to create a new sketch in one of the 4 PartDesign bodies it shows a message saying:

The document "Test" seems to be either in the middle of the migration process from legacy PartDesign or have a slightly broken structure. Do you want to make the migration automatically?

And under "Show Details..." it says:

Note: If you choose to migrate you won't be able to edit the file with an older FreeCAD version. If you refuse to migrate you won't be able to use new PartDesign features like Bodies and Parts. As a result you also won't be able to use your parts in the assembly workbench. Although you will be able to migrate any moment later with 'Part Design -> Migrate'.

It shouldn't be in the middle of some migration from any legacy thing, because it only ever was used on this same version of FreeCAD, but it seems I can't make more Sketches without migrating.

If I migrate (either by selecting "Yes" in the dialog, or by menu Part Design -> Migrate), it creates a new Part object containing copies of each PartDesign body, each one containing the same features as the original body:

post-migration

If I delete the body copies (under Part) then all features will also be deleted from the original bodies.

Also, can I repair this project somehow? For a copy of the project, send me a message at sundman (ät) iki (döt) fi or on patreon.

realthunder commented 1 year ago

Could you please post your project, or send me by email in private.

m-sundman commented 1 year ago

Sent per email, sorry for the big file. (Let me know if the message is too big and I should upload it to some file sharing site instead.)

m-sundman commented 1 year ago

With the newest version it works if I first recompute each object before trying to make any sketches. (If I just try to make a sketch without first recomputing then it will say I need to migrate, and that results in the problems stated above, but if I recompute first then I won't have to migrate.)