more like: dont crash!

[DrunkenAussie]

############################################################################################
FATAL ERROR in
action number 1
of Draw Event
for object obj_generalstore:

ds_grid_get argument 3 incorrect type (undefined) expecting a Number (YYGI32)
at gml_Script_generalstore_shop_buy_index_reset
############################################################################################
--------------------------------------------------------------------------------------------
stack frame is
gml_Script_generalstore_shop_buy_index_reset (line -1)
gml_Script_generalstore_base_menu
gml_Object_obj_generalstore_Draw_64




all stores work fine exept the general store that crashes the game every....single....time...on a new save, this game has potential, i would hate to see this ship sink because of this!