I'm getting the endings but the achievements don't count

When burning the Red Bear in blue fire, then playing bear song on piano, the game crashes. ######################################### ERROR in action number 1 of StepEvent0 for object obj_piano: Unable to find any instance for object index '149' name 'obj_wanjuxiong_104' at gml_Object_obj_piano_Step_0 ######################################### gml_Object_obj_piano_Step_0 (line -1) Also a question: Do all of the riddles work correctly, were they checked?...

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Hey, so, I recently finished Contact Me, and for some reason the atchievements of the game are not working for me, I'm playing on a Windows 10 and I got Ending 1, does anyone know what I could do to make them work, or how to fix them?

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