Welcome to the Make community!
This has been asked before. Kindly see the duplicate topic Youtube shorts upload instead of youtube videos - #2 by samliew
Hope this helps! Let me know if there are any further questions or issues.
— @samliew
P.S.: Did you know, the concepts of about 70% of questions asked on this forum are already covered in the Make Academy. Investing some effort into it will save you lots of time and frustration using Make later!