SAP Message VHURL747 - Account &1: Account statements can only be created by external partner

Diagnosis
Account statements for account &V1& can only be created by the externalpartner (according to the settings you made in the RP account).

System Response
The creation of the account statement is canceled.

Procedure
Tell your partner to create the account statement (via Internet, forexample, or by sending an account statement request).