Mod not loading correctly

When i try to launch my mod to try it, the game isn't loading, saying me the mod encountered an error during the load_registery event phase. I tried to delete the last mod element (as said in another topic with approximatively the same error) i added before the bug but it didn't changed anything. I'm using 1.16.5, and the last element i added was a sound

Crash log : 

https://pastebin.com/z56kf6zy