Validation Check - Duplicate vendor Invoices
We have a situation where the Duplicate Vendor Invoices have been entered by the users, bearing the same date and reference nos. as the original ones. When we checked we observed that, the system gives the warning message, but the same is ignored by the users. To prevent the same from happening again, we want to convert the warning message into the error message.
Could any one guide as to how can we set up the validation checks, such that the system would throw an error message. In the vendor masters, we have set up the check for Duplicate Invoices.
Thanks in advance.