GameMaker DS Grid Error when collecting y variables

[ShuDiZo]

___________________________________________
############################################################################################
FATAL ERROR in
action number 1
of Draw Event
for object obj_draw:
Error: Can not resize a grid with a dimension of <=0
at gml_Object_obj_draw_Draw_0 (line 13) - ds_grid_resize(depthgrid, 2, instNum);
############################################################################################
--------------------------------------------------------------------------------------------
stack frame is
gml_Object_obj_draw_Draw_0 (line 13)


Can anyone help me understand the problem? This is the first time an error like this has occurred.

 

[Octopus_Tophat]

___________________________________________
############################################################################################
FATAL ERROR in
action number 1
of Draw Event
for object obj_draw:
Error: Can not resize a grid with a dimension of <=0
at gml_Object_obj_draw_Draw_0 (line 13) - ds_grid_resize(depthgrid, 2, instNum);
############################################################################################
--------------------------------------------------------------------------------------------
stack frame is
gml_Object_obj_draw_Draw_0 (line 13)


Can anyone help me understand the problem? This is the first time an error like this has occurred.

InstNum is somehow lower than 0 when creating the grid.