This happens on the latest release, I recorded it for you, sorry for the link, I couldn't find another way to send it or explain the crash properly
https://drive.google.com/file/d/1NNBhEXZYhwaioalBDxl73bpytMKVguet/view?usp=shari...
Basically, the game crashes after having heated sex with any of the girsl and going to the next day
############################################################################################
ERROR in
action number 1
of Other Event: User Defined 1
for object obj_sex:
Unable to find instance for object index -4
at gml_Script_scr_cum_on_character
############################################################################################
gml_Script_scr_cum_on_character (line -1)
gml_Script_scr_human_cum_step
gml_Script_scr_sex_minigame_step
gml_Object_obj_sex_Other_11
gml_Script_scr_loop_step (line -1)
gml_Script_scr_step
gml_Object_sys_game_Step_0