SAP Message TU214 - Advance payment not permissible on &1

Diagnosis
Reasons:

  • A renewed agreement for advance payment on the specified date would
    • result in a combination of budget billing - advance payment - budgetbilling - advance payment (BB-AP-BB-AP) or of AP-BB-AP. The maximumpossible combination is BB-AP-BB or AP-BB.
    • No modifiable due date exists after the specified date.

    • An unmodifiable due date exists after the specified date.