diff --git a/[editor]/editor_main/server/mapsettingssync.lua b/[editor]/editor_main/server/mapsettingssync.lua
index 603ae2747..dfe08d0a8 100644
--- a/[editor]/editor_main/server/mapsettingssync.lua
+++ b/[editor]/editor_main/server/mapsettingssync.lua
@@ -191,7 +191,17 @@ function passDefaultMapSettings()
 end
 
 function passNewMapSettings()
+
+	if type(loadedMap) ~= "string" then 
+		return false
+	end
+	
 	local mapResource = getResourceFromName(loadedMap)
+	
+	if not mapResource then 
+		loadedMap = false 
+		return false 
+	end
 
 	--General settings
 	local settings = getSettings(mapResource)