GUI : Error while evaluating DestroyedObject Callback.

Error:

Error in RGrid/delete_g2s (line 23)
    delete(object.Cells(deleted).result);

Error in Cell/new_Grid (line 16)
    object.parent_grid.rGrid.delete_g2s(object);

Error in Cell/pb_call (line 17)
object.new_Grid;

Error in Cell/set_pb>@(src,event)pb_call(object,src,event) (line 17)
        'callback',@(src,event)pb_call(object,src,event));
 
Error while evaluating DestroyedObject Callback.

Problem: The split condition is not shown

Related to : #9 (closed)

Trigger : clicking the '+' to split the conditions

Workaround : None. Also if you click new to add a new cell, the split cell appears, but you can't delete it.