Valid. error EPEC: field content &2 (&3) &1 does not match NF-e (&4)

What causes this issue?

You have an invalid information related to EPEC (Event Prior to
Contingency). This error is caused due an inconsistency from EPEC data
and your Electronic Nota Fiscal (NF-e).

System Response

The messaging system validates the information and, once it is different
from your NF-e, GRC raises an error and sends it back to SAP ERP
accordingly.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.