Game crash when loading with mod

[Shroomy281]

The text reads: Much More Mod Compat (muchmoremodcompat) has failed to load correctly
java.lang.NoClassDefFound

The Crash Report is attached
crash-2021-10-09_08.18.50-fml.txt

[evanbones]

Try using the beta version

[Shroomy281]

The same crash still occurs, whether I use the official release or beta.
I don't think the Crash Report was different this time, but I still attached it.
crash-2021-09-12_16.47.28-fml.txt