It infinitely load the mojang logo screen with your latest version of the mod in 1.17, below i post the latest log file (it's too long for pastebin).
log.txt
If the download don't work here a dropbow link to the file: https://www.dropbox.com/s/68y578lmgiyp9bd/log.txt?dl=0

I had this issue, but it was because of a conflict with "Emotecraft"
If you're also using emotecraft, try disabling that
Otherwise i'd suggest trying to find which other mod conflicts.

fixed for optifine.

woks with emotecraft.

I can confirm that this seems to be a conflict with Emotecraft.
pastebin

It also does this when you have optifine installed which is upsetting.