Hi, 

I want to add a field in the tree view inside the form of transfers (stock.picking) . The field is called pcs_per_ctn 

------------------------------

This is my class inheritance:

class StockPicking(models.Model):
    _inherit = 'stock.move.line'    pcs_per_cartoon = fields.Integer(string="Number of cartons")

--------------------------------------------------

This is my view inheritance:

    
        view.picking.tree.inherited
        stock.picking
        
        1001
        
            
                
            
        
    

The issue is it does generate unknown error and I can't figureout how to add that field inside the tree of the transfer form