How To Fix 6B136 - Invoice item of invoice & & already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: 6B - Real estate correspondence messages

• Message number: 136

• Message text: Invoice item of invoice & & 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 6B136 - Invoice item of invoice & & already exists ?

  The SAP error message 6B136 ("Invoice item of invoice & & already exists") typically occurs when you are trying to create or process an invoice that has a duplicate item. This means that the system has detected that an invoice item with the same details already exists for the specified invoice.
  Cause:
  
  Duplicate Invoice Item: The most common cause is that the same item has already been added to the invoice. This can happen due to user error or system issues.
  Incorrect Data Entry: If the invoice is being created or modified, there may be a mistake in the data entry that leads to the duplication.
  Integration Issues: If the invoice is being generated from another system or module, there may be issues with data synchronization that lead to duplicate entries.
  
  Solution:
  
  Check Existing Invoices: Review the existing invoices to confirm whether the item in question is already present. You can do this by navigating to the invoice in the SAP system and checking the line items.
  Modify the Invoice: If you find that the item is indeed a duplicate, you can either remove the duplicate item from the invoice or modify it to ensure that it is unique.
  Use Different Item Numbers: If you need to add a similar item, ensure that it has a different item number or description to avoid duplication.
  Review Integration Processes: If the invoice is generated through an automated process, check the integration settings and data flow to ensure that duplicates are not being created due to system errors.
  Consult Documentation: Refer to SAP documentation or your organization's SAP support team for specific guidelines on handling invoice items and preventing duplicates.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like FB60 (Enter Incoming Invoices) or MIRO (Enter Incoming Invoice) to manage invoices.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  User Permissions: Ensure that users have the appropriate permissions to create or modify invoices, as restrictions can sometimes lead to unexpected behavior.
  Training: Providing training to users on how to properly enter invoice data can help reduce the occurrence of this error.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant for further investigation.