Salesforce does not allow specific fields (i.e. opportunity line items value) to have a value of 0, please change the quantity to a non-zero number.
"Field integrity exception: 'X' (must be nonzero)"
Written by Ashley Milne
Salesforce does not allow specific fields (i.e. opportunity line items value) to have a value of 0, please change the quantity to a non-zero number.