`attempted index: WORK of non-table: null
function: populate -- file: NpcSchedulePanel.lua line # 167 | MOD: Knox Event Expanded NPC
function: createChildren -- file: NpcSchedulePanel.lua line # 19 | MOD: Knox Event Expanded NPC
function: instantiate -- file: ISUIElement.lua line # 696 | Vanilla
function: addChild -- file: ISUIElement.lua line # 1211 | Vanilla
function: addView -- file: ISTabPanel.lua line # 525 | Vanilla
function: createChildren -- file: NpcOverviewWindow.lua line # 67 | MOD: Knox Event Expanded NPC
function: instantiate -- file: ISUIElement.lua line # 696 | Vanilla
function: OnOpenPanel -- file: NpcOverviewWindow.lua line # 18 | MOD: Knox Event Expanded NPC
function: toggleNpcOverview -- file: ISEquippedItem_Knox.lua line # 539 | MOD: Knox Event Expanded NPC
function: onMouseUp -- file: ISButton.lua line # 56 | Vanilla
java.lang.RuntimeException: attempted index: WORK 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.pcallBoolean(KahluaThread.java:1902)
at se.krka.kahlua.integration.LuaCaller.protectedCallBoolean(LuaCaller.java:104)
at zombie.ui.UIElement.onMouseUp(UIElement.java:1626)
at zombie.ui.UIElement.onMouseUp(UIElement.java:1581)
at zombie.ui.UIElement.onConsumeMouseButtonUp(UIElement.java:1688)
at zombie.ui.UIManager.updateMouseButtons(UIManager.java:861)
at zombie.ui.UIManager.update(UIManager.java:721)
at zombie.GameProfiler.invokeAndMeasure(GameProfiler.java:176)
at zombie.GameWindow.logic(GameWindow.java:324)
at zombie.core.profiling.AbstractPerformanceProfileProbe.invokeAndMeasure(AbstractPerformanceProfileProbe.java:76)
at zombie.GameWindow.frameStep(GameWindow.java:909)
at zombie.GameWindow.run_ez(GameWindow.java:802)
at zombie.GameWindow.mainThread(GameWindow.java:600)
at java.base/java.lang.Thread.run(Unknown Source)
`