Hi RealThunder, here is the next problem I stumbled into:
When my current project work-file is loaded, many Body elements are switched invisible (they are visible for a very short time and then hidden just before loading finishes). To be precise, the last feature of these Bodies are hidden.
Unhiding them manually makes them visible again, but when the document is reloaded later, those features are invisible again. As a work-around, I changed the "Display Mode Body" property on the view page from "Through" to "Tip", but I am not sure what I am doing here.
The problem appeared several times now, and I decided to re-create the project from scratch, trying to avoid critical actions, such as deleting and copying objects.
Now I have two files which should make it possible to find the cause.
In file cnc-9-46-b, there is the assembly "Asm023 000" (X Traverse), which shall go as link into the assembly "Asm014 000", which is located in the group named "Base Assembly". At this point, the file is (quite) OK.
Then I created the link "Asm023 001", moved it to its parent "Asm014 000" > "Parts014", and checked the axial move part function. Then saved the file and closed freecad.
When this file is re-opened, Freecad makes the last feature of nearly all bodies in the X Traverse assembly "Asm023 000" invisible. These bodies can be found in the "Base Carriages" folder.
The error appears also when the assembly "Asm023 000" is moved to "Asm014 000" (instead of the link).
I have attached the files as multipart archive, because it is a little bit big.
(The error also appeared earlier in this file, I was able to get around it with bodies in the external file "helper2". I imported these parts, but the link to the now local assembly is not stored correctly.)
I'll try to recreate the error pattern in a small file, that should make debugging easier.
Best regards, and thanks a lot so far.
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