'int' object is not subscriptable

[ggg17226]

i get this crash when i runing the program

App Crash Log Traceback (most recent call last):
  File "my_design.py", line 72, in run
  File "my_DAIN_class.py", line 1190, in RenderVideo
  File "my_DAIN_class.py", line 1022, in StepRenderInterpolation
TypeError: 'int' object is not subscriptable

OS: win10 20h2 10.0.19042.746 CPU: i9-9900k@4.9G MEM: 32G DDR4 GPU: RTX3090 whit driver version 457.51

[Bostwickenator]

Ditto