How To Fix PMMO_BASIS024 - Parallel proc. dispatcher could not be instantiated: Invalid parameter

SAP Error Message - Details

• Message type: E = Error

• Message class: PMMO_BASIS - Messages for PMMO Basis Objects

• Message number: 024

• Message text: Parallel proc. dispatcher could not be instantiated: Invalid parameter

What causes this issue?

The system is trying to instantiate the class <AB>CL_SSI_DISPATCHER</>.
The instantiation failed because an invalid combination of parameters or
an invalid parameter value was entered.

System Response

The system will either continue in single-threaded mode or abort the
operation.

How to fix this error?

Execute the process again.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PMMO_BASIS024 - Parallel proc. dispatcher could not be instantiated: Invalid parameter ?

  The SAP error message PMMO_BASIS024 indicates that there is an issue with the parallel processing dispatcher not being able to instantiate due to an invalid parameter. This error typically arises in the context of parallel processing in SAP, particularly when using the Parallel Processing Framework (PPF) for tasks such as background jobs or data processing.
  Causes:
  
  Invalid Configuration Parameters: The parameters set for the parallel processing dispatcher may be incorrect or not compatible with the current system configuration.
  System Resource Limitations: Insufficient system resources (like memory or CPU) can prevent the dispatcher from being instantiated.
  Version Compatibility: The error may occur if there are compatibility issues between different components of the SAP system or if the system is not updated to the latest version.
  Authorization Issues: The user executing the process may not have the necessary authorizations to initiate parallel processing.
  Corrupted or Missing Objects: There may be corrupted or missing objects in the system that are required for the parallel processing to function correctly.
  
  Solutions:
  
  
  Check Configuration Parameters:
  
  Review the configuration settings for the parallel processing dispatcher in transaction RZ10 or RZ11. Ensure that all parameters are correctly set and valid.
  Look for parameters related to parallel processing, such as rdisp/pp/enable and rdisp/pp/num.
  
  
  
  System Resources:
  
  Monitor system resources using transaction SM50 or SM66 to ensure that there are enough resources available for parallel processing.
  If necessary, increase the available memory or CPU resources.
  
  
  
  Update System:
  
  Ensure that your SAP system is up to date with the latest support packages and patches. This can resolve compatibility issues.
  
  
  
  Check Authorizations:
  
  Verify that the user has the necessary authorizations to execute parallel processing tasks. This can be checked in transaction SU01.
  
  
  
  Review Logs:
  
  Check the system logs (transaction SM21) and the developer trace files (transaction ST22) for any additional error messages or warnings that could provide more context about the issue.
  
  
  
  Restart Dispatcher:
  
  Sometimes, simply restarting the dispatcher or the entire SAP system can resolve transient issues.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on parallel processing and dispatcher configuration.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the steps you have already taken.
  
  By following these steps, you should be able to diagnose and resolve the PMMO_BASIS024 error in your SAP system.