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Data Transfer modifier: crash/assert going into editmode on a source object
Closed, ResolvedPublicBUG

Description

System Information
Operating system: Linux-5.7.10-201.fc32.x86_64-x86_64-with-fedora-32-Thirty_Two 64 Bits
Graphics card: GeForce GTX 970M/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 440.100

Blender Version
Broken: version: 2.91.0 Alpha, branch: master, commit date: 2020-08-04 14:10, hash: rBb1976d131c73
Worked: deaff945d0b9^
Caused by rBdeaff945d0b9: Mesh: skip conversion from edit-mesh to mesh in edit-mode

Short description of error
Data Transfer modifier: crash/assert going into editmode on a source object

Exact steps for others to reproduce the error

  • Open file
  • Select src object
  • Go into editmode --> crash
BLI_assert failed: /blender/source/blender/blenkernel/intern/mesh_remap.c:1420, BKE_mesh_remap_calc_loops_from_mesh(), at 'poly_nors_src != ((void *)0)'

T79517 might be related.