Unable to generate input image

[justsolo-smith]

I am executing tools_d2, but I keep reporting the error Did not find any files for val set using matching pattern /home/xxxx/panoptic-deeplab/tools_d2/cityscapesscripts/preparation/../../gtFine/ when generating training and verification images val//_instanceIds.png. Please consult the README. However, my data directory has been set according to the readme.
can you help me,thank you very much!

[bowenc0221]

This is related to https://github.com/mcordts/cityscapesScripts, please check their README for usage.