Account group in the IDoc is different

What causes this issue?

Changes cannot be made automatically to the account group of a customer
master record.
The customer with number &v1& currently has account group &v2&, but the
account group &v3& is contained in the intermediate document.

System Response

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

How to fix this error?

Please change the account group manually to &v3& and then try to
process the intermediate document again.

Error message extract from SAP system. Copyright SAP SE.