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ERROR in console, when applying array mod with driver
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System Information
Operating system: Linux-4.13.10-041310-generic-x86_64-with-debian-stretch-sid 64 Bits
Graphics card: GeForce GTX 1050/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 390.67

Blender Version
Broken: version: 2.80 (sub 60), branch: blender2.7, commit date: 2019-05-08 22:27, hash: rBe2d04229c38b
Worked: 2.79

Short description of error
Applying an array mod with a driver, while apparently working fine, will throw this error in the therminal:

ERROR (bke.anim_sys): /home/sources/buildbot-x86_64-slave/linux_glibc224_x86_64_cmake/blender.git/source/blender/blenkernel/intern/anim_sys.c:4133 BKE_animsys_eval_driver: invalid driver - modifiers["Array"].count[0]

Exact steps for others to reproduce the error

  • open
  • notice the array mod, controlled with the empty via a driver
  • apply the mod in the modifier panel or by running the script
  • the terminal will print the error above

video demo