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GPencil: Crash when multi-user grease pencil object has vertex groups
Closed, ResolvedPublic

Description

System Information
Operating system: Linux-5.16.11-76051611-generic-x86_64-with-glibc2.34 64 Bits
Graphics card: NVIDIA GeForce GTX 1060 6GB/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 510.54

Blender Version
Broken: version: 3.2.0 Alpha, branch: master
Worked: prior to rB7ca13eef7c33: Improve multi-user gpencil data performance with modifiers

Short description of error
Blender crashes when a multi-user grease pencil object has vertex groups and is modified by modifiers, layer transform or parenting.

Exact steps for others to reproduce the error

  1. Open the attached .blend file
  2. Change the layer transform -> Blender crashes.