fatal error casting judgement on enemies with large amounts of health

I was using anomaly on high leveled enemies, sadism was only damaging the first enemy. Game crashed when I cast judgement.


############################################################################################
FATAL ERROR in
action number 1
of Step Event0
for object obj_battlecontroller:

DoDiv :1: Execution Engine - Cannot operate on string type
at gml_Script_bc_CreatureCast
############################################################################################

stack frame is
gml_Script_bc_CreatureCast (line 0)
gml_Script_bc_Turn
gml_Object_obj_battlecontroller_Step_0