I forgot what panel is called, but when organizing containers like zombie body and ground i get this error.

LOG : General f:4656, t:1741290952224> -------------------------------------------------------------
attempted index: MaudieKemperDragableContainers_Sort of non-table: null

LOG : General f:4656, t:1741290952224> -----------------------------------------
STACK TRACE
-----------------------------------------
function: reorderContainerButtons -- file: DragableContainers.lua line # 203 | MOD: CleanUI
function: onMouseUp -- file: DragableContainers.lua line # 75 | MOD: CleanUI

ERROR: General f:4656, t:1741290952225> ExceptionLogger.logException> Exception thrown
java.lang.RuntimeException: attempted index: MaudieKemperDragableContainers_Sort of non-table: null at KahluaThread.tableget(KahluaThread.java:1667).
Stack trace:
se.krka.kahlua.vm.KahluaThread.tableget(KahluaThread.java:1667)
se.krka.kahlua.vm.KahluaThread.luaMainloop(KahluaThread.java:479)
se.krka.kahlua.vm.KahluaThread.call(KahluaThread.java:173)
se.krka.kahlua.vm.KahluaThread.pcall(KahluaThread.java:1963)
se.krka.kahlua.vm.KahluaThread.pcallBoolean(KahluaThread.java:1902)
se.krka.kahlua.integration.LuaCaller.protectedCallBoolean(LuaCaller.java:104)
zombie.ui.UIElement.onMouseUp(UIElement.java:1633)
zombie.ui.UIElement.onMouseUp(UIElement.java:1588)
zombie.ui.UIElement.onConsumeMouseButtonUp(UIElement.java:1695)
zombie.ui.UIManager.updateMouseButtons(UIManager.java:869)
zombie.ui.UIManager.update(UIManager.java:728)
zombie.GameWindow.logic(GameWindow.java:332)
zombie.GameWindow.frameStep(GameWindow.java:928)
zombie.GameWindow.run_ez(GameWindow.java:821)
zombie.GameWindow.mainThread(GameWindow.java:619)
java.base/java.lang.Thread.run(Unknown Source)
LOG : General f:4656, t:1741290952225> -----------------------------------------
STACK TRACE
-----------------------------------------
function: reorderContainerButtons -- file: DragableContainers.lua line # 203 | MOD: CleanUI
function: onMouseUp -- file: DragableContainers.lua line # 75 | MOD: CleanUI