ok, is way to many of them, will just attached fill log and latest crash log to have list of everything that you can work on it, sorry for that if is too much
latest.log
crash-2020-04-01_19.21.35-client.txt

The crash you posted has nothing to do with my mods, seems to be a silent gems issue. The recipe errors in the latest.log are normal as those recipe systems have not been enabled for 1.15.2 yet.