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Maniphest T79151

Crash on opening file
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Description

System Information
Operating system: Darwin-19.5.0-x86_64-i386-64bit 64 Bits
Graphics card: AMD Radeon Pro 5500M OpenGL Engine ATI Technologies Inc. 4.1 ATI-3.9.15

Blender Version
Broken: version: 2.90.0 Alpha, branch: master, commit date: 2020-07-14 20:45, hash: rBd493fc43bd4a
Worked: n/a

Short description of error
Blender crashes on opening file.
Crash log: P1542

Exact steps for others to reproduce the error
Open the file.

Legetøjsfabrik med røg 04 (remake fra 01).blend145 MBDownload

Related Objects

Event Timeline

Andreas Kjaergaard (AndreasX) created this task.Jul 22 2020, 12:09 AM
Richard Antalik (ISS) updated the task description. (Show Details)Jul 22 2020, 5:46 AM
Richard Antalik (ISS) added a project: Platform: macOS.
Richard Antalik (ISS) removed a project: Platform: macOS.Jul 22 2020, 5:50 AM
Richard Antalik (ISS) added a subscriber: Richard Antalik (ISS).

@Andreas Kjaergaard (AndreasX) do you have backup of this file that works (.blend1 file)? Can you remember what you did before you were unable to open file again?

Philipp Oeser (lichtwerk) closed this task as Archived.Jul 29 2020, 6:17 PM
Philipp Oeser (lichtwerk) claimed this task.
Philipp Oeser (lichtwerk) added a subscriber: Philipp Oeser (lichtwerk).

This is due to the mesh Factory Unit 54 being corrupt.
You can check this by appending that mesh (not the object!) to a blank file and run

bpy.data.meshes['Factory Unit 54'].validate(verbose=True)

The above will spit out an endless list of a broken polysoup:

  • Edge XXX: v1 index out of range
  • Edge XXX: v2 index out of range
  • Edge XXX: has matching verts, both XXX
  • Poly XXX needs missing edge (XXX, XXX)

So that mesh is completely corrupted.

On the other hand: everything else can be appended to a new file without problems, so you should be able to recover everything except Factory Unit 54.

So thanks for the report, but unfortunately unless there are clear instructions on how to reproduce it from scratch we cannot debug this any further.
Things that may cause mesh corruption: Importers, development versions of Blender, modeling tools.

So will close for now, but if you find the reason why this got corrupted, feel free to comment again and we can always reopen in that case..