/Users/jack.bikar/Workspace/LaserTurrets/src/main/java/games/coob/laserturrets/hook/HookSystem.java:7:37
java: cannot access com.dansplugins.factionsystem.MedievalFactions
  bad class file: /Users/jack.bikar/Workspace/LaserTurrets/libs/Medieval-Factions.jar!/com/dansplugins/factionsystem/MedievalFactions.class
    class file has wrong version 61.0, should be 52.0
    Please remove or make sure it appears in the correct subdirectory of the classpath.