Hero's Hour

I try converting a captured stronghold and my game crashes with this message

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ERROR in

action number 1

of Draw Event

for object obj_con:

Variable obj_army.bw(100907, -2147483648) not set before reading it.

at gml_Script_actually_convert_town

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gml_Script_actually_convert_town (line -1)

gml_Script_convert_town

gml_Script_castlescreen

gml_Object_obj_con_Draw_64

Will 2.8 be coming to itch.io soon?