Hello!

Please help me understand how to prevent selling online product in bigger amount than i got in stock?
I had instleed odoo 8 and website, create new product (1pcs in stock) and published it online. During test i came to website, put 5pcs to cart, made payment with paypal...

Now i see payment on my Paypal account, see no information about payment in odoo and sold more item than i got!

Need help!