How To Fix RSPLF412 - Master cannot read return value from subprocess &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RSPLF - Planning Framework

• Message number: 412

• Message text: Master cannot read return value from subprocess &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 RSPLF412 - Master cannot read return value from subprocess &1 ?

  The SAP error message RSPLF412, which states "Master cannot read return value from subprocess &1," typically occurs in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence) when there is an issue with the execution of a process chain or a data load process. This error indicates that the master process is unable to retrieve the return value from a subprocess, which can be caused by various factors.
  Causes:
  
  Subprocess Failure: The subprocess that was supposed to execute may have failed or terminated unexpectedly, preventing the master process from obtaining the return value.
  Configuration Issues: There may be misconfigurations in the process chain or the data flow that lead to the subprocess not executing correctly.
  Resource Limitations: Insufficient system resources (like memory or CPU) can cause subprocesses to fail.
  Authorization Issues: The user executing the process may not have the necessary authorizations to run the subprocess.
  System Errors: There could be underlying system errors or issues with the SAP BW system itself.
  
  Solutions:
  
  Check Subprocess Logs: Review the logs of the subprocess that failed. This can provide insights into why it did not return a value. You can find logs in the process chain monitoring or in the transaction codes like RSPC (Process Chain) or RSMO (Data Load Monitor).
  Re-run the Process Chain: Sometimes, simply re-running the process chain can resolve transient issues.
  Check Configuration: Ensure that the process chain and its subprocesses are correctly configured. Verify that all necessary settings are in place.
  Monitor System Resources: Check the system's performance metrics to ensure that there are enough resources available for the subprocess to execute.
  Review Authorizations: Ensure that the user executing the process has the necessary authorizations to run all parts of the process chain.
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error. SAP frequently updates its knowledge base with solutions for known issues.
  System Restart: In some cases, a restart of the SAP system may be necessary to clear any underlying issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like RSPC for monitoring process chains, RSMO for monitoring data loads, and SM37 for checking job logs.
  SAP Community: Engage with the SAP Community forums for additional insights and shared experiences from other users who may have encountered the same error.
  SAP Documentation: Refer to the official SAP documentation for detailed information on process chains and error handling in SAP BW.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.