The mod HelicopterRevival (0.2.2) caused a non-recoverable error.
Please report this error to the mod author.
Error while running event HelicopterRevival::on_tick (ID 0)
LuaGuiElement API call when LuaGuiElement was invalid.
stack traceback:
[C]: in function 'index'
__HelicopterRevival/logic/gui/markerSelectionGui.lua:192: in function 'getFilteredChartTags'
HelicopterRevival/logic/gui/markerSelectionGui.lua:115: in function 'refreshBtnList'
HelicopterRevival/logic/gui/markerSelectionGui.lua:48: in function 'OnTick'
HelicopterRevival/logic/gui/remoteGui.lua:89: in function 'OnTick'
HelicopterRevival/logic/util.lua:99: in function 'checkAndTickInGlobal'
HelicopterRevival/control.lua:127: in function <HelicopterRevival/control.lua:125>