Excerpt from logfile

LOG : Lua , 1629674222574> Loading: /home/engineofdarkness/.steam/debian-installation/steamapps/workshop/content/108600/1793461606/mods/eris_nightvision_goggles/media/lua/server/Items/eris_nvg_ItemDistributions.lua
ERROR: General , 1629674222574> ExceptionLogger.logException> Exception thrown java.lang.NullPointerException: Cannot invoke "se.krka.kahlua.vm.KahluaTable.len()" because "<local2>" is null at TableLib.insert line:217.
ERROR: General , 1629674222574> DebugLogStream.printException> Stack trace:
java.lang.NullPointerException: Cannot invoke "se.krka.kahlua.vm.KahluaTable.len()" because "<local2>" is null
at se.krka.kahlua.stdlib.TableLib.insert(TableLib.java:217)
at se.krka.kahlua.stdlib.TableLib.call(TableLib.java:89)
at se.krka.kahlua.vm.KahluaThread.callJava(KahluaThread.java:182)
at se.krka.kahlua.vm.KahluaThread.luaMainloop(KahluaThread.java:1007)
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.pcall(KahluaThread.java:1782)
at se.krka.kahlua.integration.LuaCaller.pcall(LuaCaller.java:76)
at se.krka.kahlua.integration.LuaCaller.protectedCall(LuaCaller.java:117)
at zombie.Lua.LuaManager.RunLua(LuaManager.java:525)
at zombie.Lua.LuaManager.RunLua(LuaManager.java:476)
at zombie.Lua.LuaManager.LoadDirBase(LuaManager.java:324)
at zombie.Lua.LuaManager.LoadDirBase(LuaManager.java:251)
at zombie.gameStates.GameLoadingState.enter(GameLoadingState.java:91)
at zombie.gameStates.GameStateMachine.update(GameStateMachine.java:145)
at zombie.GameWindow.logic(GameWindow.java:285)
at zombie.core.profiling.AbstractPerformanceProfileProbe.invokeAndMeasure(AbstractPerformanceProfileProbe.java:71)
at zombie.GameWindow.frameStep(GameWindow.java:726)
at zombie.GameWindow.run_ez(GameWindow.java:642)
at zombie.GameWindow.mainThread(GameWindow.java:471)
at java.base/java.lang.Thread.run(Unknown Source)
LOG : General , 1629674222577> -----------------------------------------
STACK TRACE
-----------------------------------------
Callframe at: table.insert
function: eris_nvg_ItemDistributions.lua -- file: eris_nvg_ItemDistributions.lua line # 4

Aug 23, 2021 1:17:02 AM zombie.Lua.LuaManager RunLua
SEVERE: java.lang.RuntimeException
Aug 23, 2021 1:17:02 AM zombie.Lua.LuaManager RunLua
SEVERE: java.lang.RuntimeException:
Aug 23, 2021 1:17:02 AM zombie.Lua.LuaManager RunLua
SEVERE: at table.insert
at eris_nvg_ItemDistributions.lua:4