This is the error log,

WARN : Vehicle , 1723422527354> 878,479,316> VehicleManager.clientPacket> Vehicle vid=205 not found
LOG : General , 1723422527954> 878,479,916> -------------------------------------------------------------
attempted index: addPlayer of non-table: null

LOG : General , 1723422527955> 878,479,917> -----------------------------------------
STACK TRACE
-----------------------------------------
function: onAnswerSafehouseInvite -- file: ISSafehouseUI.lua line # 441 | Vanilla
function: onClick -- file: ISModalDialog.lua line # 77 | Vanilla
function: onMouseUp -- file: ISButton.lua line # 56 | Vanilla

ERROR: General , 1723422527955> 878,479,917> ExceptionLogger.logException> Exception thrown java.lang.RuntimeException: attempted index: addPlayer of non-table: null at KahluaThread.tableget line:1689.
ERROR: General , 1723422527955> 878,479,917> DebugLogStream.printException> Stack trace:
java.lang.RuntimeException: attempted index: addPlayer of non-table: null
at se.krka.kahlua.vm.KahluaThread.tableget(KahluaThread.java:1689)
at se.krka.kahlua.vm.KahluaThread.luaMainloop(KahluaThread.java:641)
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.pcallBoolean(KahluaThread.java:1924)
at se.krka.kahlua.integration.LuaCaller.protectedCallBoolean(LuaCaller.java:104)
at zombie.ui.UIElement.onMouseUp(UIElement.java:1228)
at zombie.ui.UIElement.onMouseUp(UIElement.java:1183)
at zombie.ui.UIManager.update(UIManager.java:816)
at zombie.GameWindow.logic(GameWindow.java:262)
at zombie.core.profiling.AbstractPerformanceProfileProbe.invokeAndMeasure(AbstractPerformanceProfileProbe.java:71)
at zombie.GameWindow.frameStep(GameWindow.java:765)
at zombie.GameWindow.run_ez(GameWindow.java:681)
at zombie.GameWindow.mainThread(GameWindow.java:495)
at java.base/java.lang.Thread.run(Unknown Source)
LOG : General , 1723422527956> 878,479,918> -----------------------------------------
STACK TRACE
-----------------------------------------
function: onAnswerSafehouseInvite -- file: ISSafehouseUI.lua line # 441 | Vanilla
function: onClick -- file: ISModalDialog.lua line # 77 | Vanilla
function: onMouseUp -- file: ISButton.lua line # 56 | Vanilla