Note that LibsDisguises hasn't updated for 1.21.8 yet and the trolldisguise command might not work with 1.21.8 yet. There's also an issue with the automatic download of the FastAsyncWorldEdit dependency which will be fixed in the next update. In the meantime, update its newest version manually from https://modrinth.com/plugin/fastasyncworldedit/versions

Important: Please make sure to use the latest paper 1.21 build #130 when using this version with paper 1.21.

Note: After editing the Messages.yml make sure to use the "/troll reload" command to apply the changes you made.