Known bugs: Dynamic lights doesn't work
Solution: none, it's because of the newer Sodium version dev needs to release an update.
Crash on Creating world or Loading
Solution: Try removing seasonhud-fabric-1.20.1-1.5.3 , Ksyxis-1.1
Immersive portals not working
Solution: Disable shaders, you can also try removing entityculling-fabric-1.6.2-mc1.20 but be warned you may suffer from a performance loss. DO NOT REMOVE COLLECTIVE EVEN IF IT SAYS SO
Unkown Crash
Solution: High chance not enough ram, please try allocating more ram but not too much you also need to leave some for your system too.
Wrong Fabric Loader Version " 14.22 installed, 14.21 required "
Solution: Try removing "seamless-loading-screen-2.0.0+1.20.1-fabric"