Just to use the thread for efficiency's sake, I had a bug where Kari had Foal Play basically not advanced at all near the end of the board. She got a move 6 and advance, went to full term immediately, walked onto the exit tile, and the game crashed.
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ERROR in action number 1
of Other Event: User Defined 1 for object control_preg:
index out of bounds request 45 maximum size is 45############################################################################################
gml_Script_sc_board_cont (line 171)
gml_Object_control_preg_Other_11 (line 39)
gml_Object_world_Step_0 (line 14)