Do you have any quick fixes for this? I was actually really enjoying the game until I ran into this bug after going to the 3rd (?) portal? not too sure since it's been a bit. Good luck with game dev Roksim!!!
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ERROR in
action number 1
of Other Event: Room Start
for object oSaveGlobals:
Data structure with index does not exist.
at gml_Script_LoadItAll
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gml_Script_LoadItAll (line -1)
gml_Object_oSaveGlobals_Other_4