Getting this error when running on a treadmill, but might be because of other mods I have enabled.

`attempted index: metabolics of non-table: null
function: update -- file: ISFitnessAction.lua line # 49 | Vanilla
function: update -- file: FWOUseBenchPress&TreadmillVanilla.lua line # 165 | MOD: FWO Working Bench Press & Treadmill
java.lang.RuntimeException: attempted index: metabolics of non-table: null
at se.krka.kahlua.vm.KahluaThread.tableget(KahluaThread.java:1667)
at se.krka.kahlua.vm.KahluaThread.luaMainloop(KahluaThread.java:479)
at se.krka.kahlua.vm.KahluaThread.call(KahluaThread.java:173)
at se.krka.kahlua.vm.KahluaThread.pcall(KahluaThread.java:1963)
at se.krka.kahlua.vm.KahluaThread.pcallvoid(KahluaThread.java:1805)
at se.krka.kahlua.integration.LuaCaller.pcallvoid(LuaCaller.java:38)
at zombie.characters.CharacterTimedActions.LuaTimedActionNew.update(LuaTimedActionNew.java:88)
at zombie.characters.IsoGameCharacter.updateInternal(IsoGameCharacter.java:10549)
at zombie.characters.IsoGameCharacter.update(IsoGameCharacter.java:10194)
at zombie.characters.IsoPlayer.updateInternal1(IsoPlayer.java:2283)
at zombie.characters.IsoPlayer.update(IsoPlayer.java:2262)
at zombie.MovingObjectUpdateSchedulerUpdateBucket.update(MovingObjectUpdateSchedulerUpdateBucket.java:71)
at zombie.MovingObjectUpdateScheduler.update(MovingObjectUpdateScheduler.java:158)
at zombie.iso.IsoCell.ProcessObjects(IsoCell.java:3054)
at zombie.iso.IsoCell.updateInternal(IsoCell.java:5959)
at zombie.iso.IsoCell.update(IsoCell.java:5892)
at zombie.iso.IsoWorld.updateWorld(IsoWorld.java:4192)
at zombie.iso.IsoWorld.updateInternal(IsoWorld.java:4312)
at zombie.iso.IsoWorld.update(IsoWorld.java:4226)
at zombie.gameStates.IngameState.updateInternal(IngameState.java:1699)
at zombie.gameStates.IngameState.update(IngameState.java:1464)
at zombie.gameStates.GameStateMachine.update(GameStateMachine.java:87)
at zombie.GameWindow.logic(GameWindow.java:381)
at zombie.GameWindow.frameStep(GameWindow.java:914)
at zombie.GameWindow.mainThreadStep(GameWindow.java:640)
at zombie.MainThread.mainLoop(MainThread.java:76)
at java.base/java.lang.Thread.run(Unknown Source)
`