Can you share the input to take a look? You can also try to change the codec to see if it help
Viewing post in Getting "Output file #0 does not contain any stream" Error
I tried reencoding from h264 to H265 and that didn't work either. This is the file after upscaling, but before using RIFE. https://we.tl/t-OyFvLsJdX9
This is after reencoding to H265 CPU encode.