How To Fix K-842 - Data for external transaction &1 is inconsistent

SAP Error Message - Details

• Message type: E = Error

• Message class: K- -

• Message number: 842

• Message text: Data for external transaction &1 is inconsistent

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 K-842 - Data for external transaction &1 is inconsistent ?

  The SAP error message K-842, which states "Data for external transaction &1 is inconsistent," typically occurs in the context of controlling (CO) and financial transactions. This error indicates that there is an inconsistency in the data related to an external transaction, which could be due to various reasons.
  Causes:
  
  Data Entry Errors: Incorrect or incomplete data entry during the transaction posting can lead to inconsistencies.
  Missing Master Data: The required master data (like cost centers, internal orders, etc.) may not be set up correctly or may be missing.
  Configuration Issues: Incorrect configuration in the controlling module or related areas can lead to inconsistencies.
  Integration Issues: Problems with integration between different SAP modules (like FI and CO) can cause data inconsistencies.
  Transaction Type Issues: The external transaction type may not be correctly defined or may not match the expected parameters.
  
  Solutions:
  
  Check Data Entry: Review the transaction data for any errors or omissions. Ensure that all required fields are filled out correctly.
  Verify Master Data: Ensure that all necessary master data is created and correctly configured. This includes checking cost centers, internal orders, and other relevant entities.
  Review Configuration: Check the configuration settings in the controlling module to ensure they are set up correctly for the type of transaction being processed.
  Analyze Integration: If the transaction involves multiple modules, check the integration points to ensure data is flowing correctly between them.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the external transaction type in question.
  Use Transaction Codes: Utilize transaction codes like KSB1 (for cost center reports) or KOB1 (for order reports) to analyze the data and identify inconsistencies.
  Contact Support: If the issue persists, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that can help in troubleshooting, such as KSB1, KOB1, or KSV5.
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message K-842.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed and resolved.
  Documentation: Review SAP Help Portal for detailed documentation on controlling transactions and error handling.
  
  By following these steps, you should be able to identify and resolve the inconsistency causing the K-842 error message in SAP.