[400] bad request: Media file could not be found or was invalid

I receive the following error message each time I start my scenario on make.com where Shot Stack is supposed to overlay an MP3 file (from a Google Drive link) over a video (from a YouTube link). I can’t find any way to solve the problem; please help

problem solved and now i have a nother one gg:(

Hello @kingbayrone. Nice that you were able to find your way around the initial question. What other questions do you have ? Have you found a solution ?