How To Fix RS_B4HTAU_CL_MSG_EX016 - Resetting of delta run for source role '&1' failed.

SAP Error Message - Details

• Message type: E = Error

• Message class: RS_B4HTAU_CL_MSG_EX -

• Message number: 016

• Message text: Resetting of delta run for source role '&1' failed.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RS_B4HTAU_CL_MSG_EX016 - Resetting of delta run for source role '&1' failed. ?

  The SAP error message RS_B4HTAU_CL_MSG_EX016 indicates that there was a failure in resetting the delta run for a specific source role in the SAP BW (Business Warehouse) system. This error typically occurs in the context of data extraction processes, particularly when dealing with delta loads from source systems.
  Cause:
  The error can be caused by several factors, including:
  
  Data Consistency Issues: There may be inconsistencies in the data that prevent the delta run from being reset.
  Locking Issues: The source system or the BW system may have locks that prevent the delta process from completing.
  Configuration Errors: There may be misconfigurations in the data source or the delta process settings.
  Technical Issues: There could be underlying technical issues, such as problems with the data extraction process or issues with the source system itself.
  Missing or Incomplete Data: If the delta queue is not properly populated or if there are missing records, it can lead to this error.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  Check Delta Queue: Verify the delta queue for the source role in question. Ensure that it is populated correctly and that there are no inconsistencies.
  Clear Locks: Check for any locks in the source system or BW system that might be preventing the delta run from being reset. You can use transaction codes like SM12 to check for locks.
  Reconfigure Data Source: Review the configuration of the data source and ensure that all settings are correct. This includes checking the extraction settings and delta settings.
  Monitor Process Chains: If the delta run is part of a process chain, monitor the process chain for any errors or issues that may have occurred prior to this error.
  Check for Notes and Patches: Look for any SAP Notes or patches that may address known issues related to this error message. Applying relevant updates can sometimes resolve underlying issues.
  Restart the Delta Process: If the above steps do not resolve the issue, you may need to restart the delta process. This can be done by resetting the delta and reinitializing the delta load.
  Consult Logs: Check the logs for more detailed error messages that can provide additional context on what went wrong. Use transaction SLG1 to view application logs.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), SM37 (Job Monitoring), and SLG1 (Application Log).
  SAP Notes: Search the SAP Support Portal for notes related to delta extraction issues, as they may provide specific guidance or fixes.
  Documentation: Review SAP documentation on delta processes and data extraction to ensure that you are following best practices.
  
  If the issue persists after trying the above solutions, it may be necessary to engage SAP support for further assistance.