Error : gml_Script_gms_instance_sync(28) : "argument" is a global built-in and cannot be used as an instance variable
I tested in GameMaker Server 2.1.5 and 2.1.4 and 2.1.3 - GameMaker Studio (All vesrsion)
I use GM:Studio 1.4.9999.
But it's okay in only windows version!
Last message on 22 May 2019