A bug related to sign GUIS of the plugin was provisionally fixed on the 1.20 version. This jar will prevent from opening these GUIS and use the chat if possible. This change will be removed as soon as the new version of ProtocolLib that supports 1.20 is released.

+1 Provisional Bug fixed!

This is a BETA version, please be cautious using these types of versions because it might present some bugs in the worst cases.