After some debug I discovered that 3 scripts inside gamemaker were empty, GMLive_vm, GMLive_roomLoader and GMLive_compiler. Opening the files directly its contents were there, so I copy/paste it inside gamemaker. Now it returns another error that I don’t how to fix hehe:
script_get_name argument 1 invalid reference to (script)
at gml_Script_live_preinit_init_funcs (line 19) - var l_name=script_get_name(l_scr);
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gml_Script_live_preinit_init_funcs (line 19)
gml_Script_live_preinit_api (line 1357) - live_preinit_init_funcs();
gml_GlobalScript_GMLive (line 5731) - live_preinit_api();