How To Fix UCF6521 - Internal error: Data stream &1 was not passed on

SAP Error Message - Details

• Message type: E = Error

• Message class: UCF6 - Messages for Consolidation of Investments

• Message number: 521

• Message text: Internal error: Data stream &1 was not passed on

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 UCF6521 - Internal error: Data stream &1 was not passed on ?

  The SAP error message UCF6521, which states "Internal error: Data stream &1 was not passed on," typically indicates an issue with the data processing in the SAP system, particularly in the context of the SAP Convergent Charging (SAP CC) or related modules. This error can arise due to various reasons, including configuration issues, data inconsistencies, or problems with the underlying data streams.
  Possible Causes:
  
  Configuration Issues: Incorrect configuration settings in the SAP CC or related modules can lead to data streams not being processed correctly.
  Data Inconsistencies: If the data being processed is inconsistent or corrupted, it may not be passed on as expected.
  System Bugs: There may be bugs or issues in the version of SAP you are using that could lead to this error.
  Missing Data: Required data for processing the data stream may be missing or not properly defined.
  Performance Issues: If the system is under heavy load, it may not be able to process data streams in a timely manner.
  
  Solutions:
  
  Check Configuration: Review the configuration settings in SAP CC to ensure that everything is set up correctly. Pay special attention to the data stream definitions and processing rules.
  Data Validation: Validate the data being processed to ensure there are no inconsistencies or corruption. This may involve checking logs or running data integrity checks.
  Update SAP: Ensure that you are using the latest version of SAP and that all relevant patches and updates have been applied. Check SAP Notes for any known issues related to this error.
  Review Logs: Check the application logs (transaction SLG1) for more detailed error messages that may provide additional context about the issue.
  Performance Monitoring: Monitor system performance to identify any bottlenecks or resource constraints that may be affecting data processing.
  Contact SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including any relevant logs and the context in which the error occurs.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes that may address this specific error or provide guidance on troubleshooting.
  Documentation: Review the official SAP documentation for SAP Convergent Charging or the specific module you are working with to understand the expected behavior and configuration requirements.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to diagnose and resolve the UCF6521 error in your SAP environment.