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Driver vanishing with Ctrl + Z
Closed, DuplicatePublic

Description

System Information
Operating system: Windows-10-10.0.19041-SP0 64 Bits
Graphics card: GeForce GTX 1080/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 461.40

Blender Version
Broken: version: 2.93.0 Alpha, branch: master, commit date: 2021-02-16 01:44, hash: rB4a784f32fe1e
Worked: (newest version of Blender that worked as expected)

Short description of error
[Driver is not working anymore when pressing ctrl+Z]

Exact steps for others to reproduce the error
[Hi, I put a custom propertie on an object to driver a value in his material. The Object is linked in another scene and I made it libray overidden. The driver is not working, so I copy the value of the custom prperties as new driver, then I paste it in the the value field in my shader. It works again. I continue my animation, but every time I pressed Ctrl +Z, the driver is not working anymore.]
[Based on the default startup or an attached .blend file (as simple as possible)]

Event Timeline

Thanks for the report, this is a known issue, take a look at T82404#1095103 for a workaround you can use until this is fixed!

Ok thanks, sorry for the duplicate task