I was trying to add an item between an existing sales order and "You cannot insert a row" error pops up. I have tried to check for any security related issue so I've logged in as "sa" and still shows up.
However, I can add an item at the top or the bottom. When I do add an item or two or even replacing an item my, packing slip will print two or more even if I don't have "Print Separate Picking Ticket Per Site" at sales document print option applied. 
I have tried numerous scenario on trying to recreate this error and cannot on a different database. Is there GP setting that will prevent user from adding a row in between items? Additionally, where could I check to prevent picking ticket or packing slip to show only one report even if it's from two different site ID
  
                            
                         
                        
                        
                            
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