How To Fix 6B126 - Due period does not cover whole months

SAP Error Message - Details

• Message type: E = Error

• Message class: 6B - Real estate correspondence messages

• Message number: 126

• Message text: Due period does not cover whole months

What causes this issue?

You have chosen to distribute the invoices according to due months.
However, the due period selection does not cover whole months.
As a result of your selection, some open items may not appear in the
invoice even though the invoice displays the open items for a
particular month.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

You can ignore this warning, or change the interval dates of the due
period to the first/last day of the month.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 6B126 - Due period does not cover whole months ?

  The SAP error message 6B126: "Due period does not cover whole months" typically occurs in the context of financial transactions, particularly when dealing with payment terms, billing, or invoicing. This error indicates that the specified due period does not align with whole months, which is often a requirement for certain financial processes in SAP.
  Cause:
  
  Incorrect Due Date Configuration: The due date or payment terms may not be set up to cover complete months. For example, if the due period is defined from the 15th of one month to the 14th of the next month, it does not cover a full month.
  Billing Document Issues: If you are trying to create or process a billing document, the billing period may not align with the expected monthly intervals.
  Payment Terms: The payment terms defined in the customer or vendor master data may not be compatible with the billing cycle or the due date being processed.
  
  Solution:
  
  Review Payment Terms: Check the payment terms associated with the transaction. Ensure that they are set up to cover whole months. You may need to adjust the payment terms in the customer or vendor master data.
  Adjust Due Dates: Modify the due dates in the transaction to ensure they cover complete months. This may involve changing the start and end dates of the due period.
  Billing Document Configuration: If the error occurs during billing, review the billing document settings to ensure that the billing period aligns with the expected monthly intervals.
  Consult Documentation: Refer to SAP documentation or help resources for specific configurations related to your version of SAP, as the exact steps may vary.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like FB60 (Vendor Invoice), FB70 (Customer Invoice), or VF01 (Create Billing Document) to review and adjust the relevant documents.
  SAP Notes: Check for any SAP Notes related to this error message for additional guidance or patches that may address the issue.
  Testing: After making adjustments, test the transaction again to ensure that the error is resolved.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in financial processes within SAP.