How To Fix 6B135 - Invoice number & & already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: 6B - Real estate correspondence messages

• Message number: 135

• Message text: Invoice number & & already exists

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 6B135 - Invoice number & & already exists ?

  The SAP error message 6B135 indicates that an invoice number you are trying to use already exists in the system. This typically occurs during the invoice creation process when the system detects a duplicate invoice number.
  Cause:
  
  Duplicate Invoice Number: The most common cause is that the invoice number you are trying to enter has already been used in the system.
  Incorrect Number Range Configuration: The number range for invoices may not be set up correctly, leading to conflicts.
  Data Entry Error: There may be a typographical error in the invoice number being entered.
  Multiple Users: If multiple users are creating invoices simultaneously, one user may have already created an invoice with the same number.
  
  Solution:
  
  Check Existing Invoices: Verify if the invoice number already exists in the system. You can do this by searching for the invoice in the relevant transaction (e.g., using transaction codes like FB03 for displaying invoices).
  Use a Different Invoice Number: If the invoice number is indeed a duplicate, you will need to use a different, unique invoice number.
  Review Number Range Settings: Check the configuration of the number ranges for invoices in the system. Ensure that the number range is set up correctly and that there are no overlaps.
  
  You can check this in the configuration settings under SPRO ? Financial Accounting ? Accounts Receivable and Accounts Payable ? Document Entry ? Maintain Number Ranges.
  
  
  Consult with Your SAP Administrator: If you are unsure about the number range settings or if you suspect a system issue, consult with your SAP administrator or support team for assistance.
  Check for User Lock: If multiple users are involved, ensure that there are no locks on the invoice number being used.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FB03 (Display Document), FB60 (Enter Incoming Invoice), and FBL1N (Vendor Line Item Display) to help you navigate and troubleshoot.
  SAP Notes: Check SAP Notes for any known issues or patches related to invoice processing and number ranges.
  Documentation: Review SAP documentation or user manuals for guidance on invoice processing and number range management.
  
  By following these steps, you should be able to resolve the error message 6B135 and successfully create your invoice.