When I try to import a building I pasted into the world using Litematica mod, this error shows up:
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FATAL ERROR in
action number 1
of Draw Event
for object app:
bool argument is unset
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called from - gml_Script_builder_generate (line 181)
called from - gml_Script_res_load_scenery (line 474)
called from - gml_Script_popup_loading_draw (line 5)
called from - gml_Script_popup_draw (line 111)
called from - gml_Script_window_draw (line 31)
called from - gml_Script_app_event_draw (line 8)
called from - gml_Object_app_Draw_0 (line 1)