Pixelmon and Spongeforge 1.16.5 Errors

Sponge Sponge Support
1

Mods:
Pixelmon reforged 9.0.6
Spongeforge-1.16.5-36.2.5-8.1.0-RC1164-universal

Forge version: 36.2.5 (changed to this because of the forge version shown at the download page of spongeforge)

Plugins:
Nucleus-3.0.0-BETA7-MC1.16.5-SpongeAPI8.1-plugin
LuckPerms-Sponge-5.4.41

Errors:
player moved wrongly! (when jumping over a block)
pixelmon related errors

2

Now going to try magma.

not working

3

Sponge 1.16.5 is still in progress (hence the "experimental tag before you downloaded). The team is finding more and more mods that are incompatible currently.

It seems pixelmon is one of them as another person has reported it too.
Both also said Nucleus was installed, so could be that too