How To Fix RSCRT329 - Cannot start subsequent process chain &1 for DTP &2 (log ID &3)

SAP Error Message - Details

• Message type: E = Error

• Message class: RSCRT - Near-To-Real-Time Messages

• Message number: 329

• Message text: Cannot start subsequent process chain &1 for DTP &2 (log ID &3)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSCRT329 - Cannot start subsequent process chain &1 for DTP &2 (log ID &3) ?

  The SAP error message RSCRT329 indicates that a subsequent process chain cannot be started for a Data Transfer Process (DTP) due to a specific issue. This error typically arises in the context of data extraction and loading processes in SAP BW (Business Warehouse) or SAP BW/4HANA environments.
  Cause:
  The error can be caused by several factors, including:
  
  Process Chain Configuration Issues: The process chain may not be correctly configured, or there may be issues with the DTP settings.
  Locks or Conflicts: There may be locks on the DTP or the data targets that prevent the subsequent process chain from starting.
  Errors in Previous Steps: If there were errors in the previous steps of the process chain, it may prevent the subsequent steps from executing.
  Data Load Status: The DTP might be in a status that does not allow for the next process chain to start (e.g., it might be in a "running" or "error" state).
  Resource Constraints: Insufficient system resources (like memory or processing power) can also lead to this error.
  
  Solution:
  To resolve the RSCRT329 error, you can take the following steps:
  
  Check Process Chain Logs: Review the logs of the process chain and the DTP to identify any errors or warnings that might provide more context about the failure.
  Verify DTP Settings: Ensure that the DTP is correctly configured and that all necessary settings are in place.
  Check for Locks: Use transaction codes like SM12 to check for any locks on the DTP or data targets. If locks are found, they may need to be released.
  Review Previous Steps: Ensure that all previous steps in the process chain have completed successfully. If there are errors, address them before attempting to start the subsequent process chain.
  Restart the Process Chain: If the process chain is stuck, you may need to manually restart it. You can do this from the process chain monitor.
  Monitor System Resources: Check system performance and resource availability. If the system is under heavy load, consider scheduling the process chain during off-peak hours.
  Consult SAP Notes: Look for any relevant SAP Notes that might address known issues related to this error message.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like RSPC (Process Chain Monitor) and RSRT (Query Monitor) to monitor and troubleshoot process chains and DTPs.
  SAP BW Documentation: Refer to the official SAP BW documentation for detailed information on process chains and DTPs.
  SAP Community: Engage with the SAP Community forums for insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to diagnose and resolve the RSCRT329 error effectively.