Any thoughts in why i'm getting this error in server side?

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function: Add -- file: NotScope.lua line # 48 | MOD: Inventory Tetris

ERROR: General , 1689810511001> 540.997.814> ExceptionLogger.logException> Exception thrown java.lang.RuntimeException: attempted index: new of non-table: null at KahluaThread.tableget line:1689.
ERROR: General , 1689810511002> 540.997.815> DebugLogStream.printException> Stack trace:
java.lang.RuntimeException: attempted index: new of non-table: null
at se.krka.kahlua.vm.KahluaThread.tableget(KahluaThread.java:1689)
at se.krka.kahlua.vm.KahluaThread.luaMainloop(KahluaThread.java:492)
at se.krka.kahlua.vm.KahluaThread.call(KahluaThread.java:163)
at se.krka.kahlua.vm.KahluaThread.pcall(KahluaThread.java:1980)
at se.krka.kahlua.vm.KahluaThread.pcallvoid(KahluaThread.java:1812)
at se.krka.kahlua.integration.LuaCaller.pcallvoid(LuaCaller.java:66)
at se.krka.kahlua.integration.LuaCaller.protectedCallVoid(LuaCaller.java:139)
at zombie.Lua.Event.trigger(Event.java:64)
at zombie.Lua.LuaEventManager.triggerEvent(LuaEventManager.java:65)
at zombie.network.GameServer.doMinimumInit(GameServer.java:1441)
at zombie.network.GameServer.main(GameServer.java:688)
LOG : General , 1689810511003> 540.997.815> -----------------------------------------
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function: Add -- file: NotScope.lua line # 48 | MOD: Inventory Tetris