How To Fix FKKBW104 - Error writing to DataSource &1

SAP Error Message - Details

• Message type: E = Error

• Message class: FKKBW - Messages for BW Extraction

• Message number: 104

• Message text: Error writing to DataSource &1

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 FKKBW104 - Error writing to DataSource &1 ?

  The SAP error message FKKBW104, which states "Error writing to DataSource &1," typically occurs during the data extraction process in SAP BW (Business Warehouse) when there is an issue with writing data to a specific DataSource. This error can arise from various causes, and understanding these can help in troubleshooting and resolving the issue.
  Causes of FKKBW104
  
  
  DataSource Configuration Issues: The DataSource may not be properly configured, leading to issues when attempting to write data.
  
  
  Authorization Problems: The user executing the data load may not have the necessary authorizations to write to the DataSource.
  
  
  Data Format Issues: The data being extracted may not match the expected format or structure of the DataSource, causing write failures.
  
  
  Technical Issues: There may be underlying technical issues, such as database connectivity problems, or issues with the BW system itself.
  
  
  Data Volume: If the volume of data being processed is too large, it may exceed system limits or cause performance issues.
  
  
  Locking Issues: If the DataSource is locked by another process, it may prevent writing new data.
  
  
  Solutions to FKKBW104
  
  
  Check DataSource Configuration: Verify that the DataSource is correctly configured. Ensure that all necessary fields are mapped correctly and that the DataSource is active.
  
  
  Review Authorizations: Ensure that the user has the appropriate authorizations to write to the DataSource. This can be checked in the user roles and profiles.
  
  
  Validate Data Format: Check the data being extracted for any inconsistencies or format issues. Ensure that it matches the structure expected by the DataSource.
  
  
  Monitor System Performance: If data volume is an issue, consider breaking the data load into smaller batches or optimizing the extraction process.
  
  
  Check for Locks: Use transaction codes like SM12 to check for any locks on the DataSource. If there are locks, you may need to wait for them to be released or resolve the locking issue.
  
  
  Review Logs: Check the application logs (transaction SLG1) for more detailed error messages that can provide additional context on the failure.
  
  
  Technical Support: If the issue persists, consider reaching out to SAP support for assistance, especially if it appears to be a technical issue with the BW system.
  
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), SLG1 (Application Log), and SM12 (Lock Entries) for troubleshooting.
  SAP Notes: Search for relevant SAP Notes that may address known issues related to FKKBW104 or provide patches and updates.
  Documentation: Review SAP documentation for best practices on DataSource configuration and data extraction processes.
  
  By systematically addressing these areas, you should be able to identify and resolve the cause of the FKKBW104 error in your SAP BW environment.