With the Chat CoreGui in studio disabled, we get an error message

11:33:01.018 - CoreGui.RobloxGui.CoreScripts/ChatScript2:1644: attempt to index field ‘ChatWindowWidget’ (a nil value)
11:33:01.019 - Stack Begin
11:33:01.019 - Script ‘CoreGui.RobloxGui.CoreScripts/ChatScript2’, Line 1644 - method PrintWelcome
11:33:01.019 - Script ‘CoreGui.RobloxGui.CoreScripts/ChatScript2’, Line 1744 - method Initialize
11:33:01.020 - Script ‘CoreGui.RobloxGui.CoreScripts/ChatScript2’, Line 1754
11:33:01.020 - Stack End

How to get it:

  1. Go to studio
  2. Press “Play Solo”
  3. Done :swag: