Got less than ordered - always doublecheck

I ordered two Zinger meals and an extra dunken pops. Since they were running low on Zinger fillets, I was asked to park in the parking lot since it would take 4-6 minutes. No problem at all and within the promised time the order was delivered to my car. I admit I forgot to doublecheck but arriving at home I was still not happy to realise that the dunken pops were “missing”. Clearly there should be SOPs in place preventing mistakes like that.