Word Factori

This error shows up anytime I try to play

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ERROR in

action number 1

of Create Event

for object oPersistent:

variable_struct_set: illegal to use empty names

at gml_Script_anon_prep_save_gml_Object_oPersistent_Create_0_13726_prep_save_gml_Object_oPersistent_Create_0

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gml_Script_anon_prep_save_gml_Object_oPersistent_Create_0_13726_prep_save_gml_Object_oPersistent_Create_0 (line -1)

gml_Script_forEach

gml_Script_prep_save_gml_Object_oPersistent_Create_0

gml_Object_oPersistent_Create_0