How To Fix WTADDI258 - & is not a valid customer for requesting the additionals IDoc via BAPI

SAP Error Message - Details

• Message type: E = Error

• Message class: WTADDI - Additionals: Messages

• Message number: 258

• Message text: & is not a valid customer for requesting the additionals IDoc via BAPI

What causes this issue?

Customer &V1& has requested an IDoc for an additional via BAPI. &V1& is
not allowed to call this data via BAPI, however.
The system checks the customer number that you enter against the plant/
customer entries in the document. The value you specify must match at
least one of these existing entries.

System Response

No additionals IDoc is generated.

How to fix this error?

The CUSTOMER value you specified is probably not correct. Correct your
entries.

Error message extract from SAP system. Copyright SAP SE.