SAP Knowledge Base Article - Public

2648148 - Inconsistent Invoice Request with Error Message 'Payment method not allowed for payer XYZ'


  • You cannot invoice Scheduled Invoice Request ABC for Contract DEF.
  • When clicking the Invoice Button, an error message is raised:

'Invoice request ABC item XX not possible; reference document inconsistent'

(ABC and DEF stand for the respective documents ID, XX represents the Line Item)


SAP Business ByDesign

Reproducing the Issue

  1. Go to the Customer Invoicing Work Center.
  2. Go to the Invoice Requests View.
  3. Search for Scheduled Invoice Request ABC  and select it.
  4. Click Invoice.

On the Invoice screen, error messages for each item are raised: 'Invoice request ABC item XX not possible; reference document inconsistent'

  1. Go back to the Invoice request worklist.
  2. Show all.
  3. Search for Customer Contract Invoice request DEF.
  4. Customer Contract Invoice request is inconsistent.
  5. Select it, click Check.

Another error is displayed:  'Payment method not allowed for payer ZZZ'
(ZZZ represents the Customer Account)

  1. Go to the Account Management Work Center.
  2. Go to the Account  View.
  3. Search for  ZZZ' and select it.
  4. Click on Edit - Financial data.
  5. Navigate to the Payment data tab

The Direct Debit payment method is maintained for this account.


You use SEPA Mandates for the Direct Debit Payment Method and the validity of the Mandate has expired.
The system cannot identify a valid Payment Method for this account and raises error messages.


Ensure that the validity of your SEPA Mandates is not expired and that Invoice ABC falls into this timeframe.


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