SAP Message 5N801 - No valid representing legal person found on date &1

Diagnosis
No valid REPER found with the given parameters for the selection intable "Representing Legal Person" (T5N9P ; field REPER) or"Relationships Between Representing Legal Person and ExternalAuthoritities" (T5N9R)

Procedure
Check whether a valid representing legal person and/or relationship hasbeen defined for the external agency concerned for the givenparameters, e.g. for the selection date, in table T5N9P and/orT5N9R
Change the REPER parameter and/or date if necessary and check thecustomizing in tabel T5N9P and/or T5N9R.