How To Fix RSDD_LTIP_APD557 - Task &1 called back

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDD_LTIP_APD - AnalyticIndexes as APD Target

• Message number: 557

• Message text: Task &1 called back

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDD_LTIP_APD557 - Task &1 called back ?

  The SAP error message RSDD_LTIP_APD557, which states "Task &1 called back," typically occurs in the context of SAP BW (Business Warehouse) when there is an issue with the execution of a data load or process chain. This error can arise due to various reasons, including issues with data sources, transformations, or process chain configurations.
  Causes:
  
  Data Source Issues: The data source may not be available or may have been modified, leading to inconsistencies.
  Transformation Errors: There could be errors in the transformation logic that prevent the data from being processed correctly.
  Process Chain Configuration: The process chain may not be configured correctly, leading to callbacks or failures in task execution.
  Locking Issues: If another process is locking the data or the task, it may cause the current task to be called back.
  Resource Limitations: Insufficient system resources (memory, CPU) can lead to task failures.
  Data Quality Issues: Invalid or inconsistent data can cause the task to fail during execution.
  
  Solutions:
  
  Check Data Source: Ensure that the data source is available and correctly configured. Verify that the data is being extracted as expected.
  Review Transformations: Check the transformation rules for any errors or inconsistencies. Test the transformations independently to ensure they work as intended.
  Process Chain Monitoring: Use the process chain monitoring tools in SAP BW to identify where the failure occurs. Look for any error messages or logs that provide more context.
  Adjust Process Chain: If the process chain is not configured correctly, make the necessary adjustments. Ensure that all dependencies are correctly set up.
  Check Locks: Investigate if there are any locks on the data or tasks that could be causing the callback. Use transaction codes like SM12 to check for locks.
  Resource Monitoring: Monitor system resources to ensure that there are enough available for the task to execute. Consider optimizing the system or scheduling tasks during off-peak hours.
  Data Validation: Validate the data being processed to ensure it meets the required quality standards. Cleanse or transform the data as necessary.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like RSA1 (Data Warehousing Workbench), RSCMON (Process Chain Monitoring), and RSMO (Process Chain Overview) to monitor and troubleshoot data loads.
  SAP Notes: Check SAP Notes for any known issues related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Logs and Traces: Review the logs and traces for the specific task that failed. This can provide insights into what went wrong during execution.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or BW team for further investigation or to reach out to SAP support for assistance.