Hello! Today on modrinth I updated my mod pack by creating a new profile and downloading the 1.21 versions of the mods I have for my 1.20.6 profile. Once finished I started up the game and it ran smoothly so I hopped on a multiplayer server for about an hour. After I left I created a single-player world and tried to load it in. Didn't work, the game crashed and was taken to the modrinth profiles screen. Went through the log and saw that REI was causing some issues so I disabled it. Tried again and didn't work. I disabled a couple of other mods and it still didn't work. Watched the log console live several times and still couldn't figure out what was wrong.
Here is the log link - https://mclo.gs/gz6mvPyn
If you need any more info or want to try out the modpack to see what's wrong I am willing to give those.
#Need help finding game-breaking mod for singleplayer, fabric 1.21
small rain
small rain
oops, sorry for the inconvenience
https://mclo.gs/gz6mvPy
umbral pasture
umbral pasture
try adding catalogue, menulogue, and downgrading iris if you did not do that