"user:/AddOns/TreasureMaps/TreasureMaps.lua:111: operator + is not supported for nil + number stack traceback:
user:/AddOns/TreasureMaps/TreasureMaps.lua:111: in function 'TreasureMapOnUpdate' 1844342658653275699:3: in function ('main chuck')"
Moreover it's impossible to close the UI error window.