Unable to use FAWE /BR Image


So I am currently using FAWE on a 1.12.2 server. Everything seemed to be working fine. However, one of the builders tried to use the command /br image and it throws a ton of errors within the console.

https://hastebin.com/halaxokeli.bash <- Shows the errors that are occurring when trying to use any command associated with it

Does anyone know how to fix this?