EDIT: SOLVED BY DELETING THE  .gradle DIRECTORY AND REFRESHING THE GRADLE PROJECT   Hello, I'm trying to set up a mod in 1.15.2 using IntelliJ.   To set it up, I've opened the build.gradle file from IntelliJ as a project, then ran the getIntellijRuns  from the gradle pannel, then ran the gradle build command into the terminal.   Here is a pastebin of the terminal output: https://pastebin.com/UJqUtNHW   I believe this is the most relevant part : *