How To Fix /SAPAPO/OM_TEST178 - Process handler: Process not started: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_TEST -

• Message number: 178

• Message text: Process handler: Process not started: &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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM_TEST178 - Process handler: Process not started: &1 ?

  The SAP error message /SAPAPO/OM_TEST178 Process handler: Process not started: &1 typically occurs in the context of SAP Advanced Planning and Optimization (APO) when a process handler fails to start a specific process. This can happen for various reasons, and understanding the cause is crucial for troubleshooting.
  Possible Causes:
  
  
  Configuration Issues: The process may not be properly configured in the system. This could include missing or incorrect settings in the process chain or process definition.
  
  
  Authorization Problems: The user executing the process may not have the necessary authorizations to start the process.
  
  
  System Resource Limitations: There may be insufficient system resources (e.g., memory, CPU) available to start the process.
  
  
  Process Dependencies: The process may depend on other processes that have not completed successfully or are still running.
  
  
  Technical Errors: There could be underlying technical issues, such as database connectivity problems or issues with the APO background jobs.
  
  
  Incorrect Parameters: The parameters passed to the process may be incorrect or invalid.
  
  
  Solutions:
  
  
  Check Configuration: Review the configuration of the process in the process chain or process definition. Ensure that all necessary settings are correctly defined.
  
  
  Review Authorizations: Verify that the user has the appropriate authorizations to execute the process. You can check this in transaction SU53 or by consulting with your security team.
  
  
  Monitor System Resources: Use transaction ST02 (Tune Summary) or ST06 (Operating System Monitor) to check for resource bottlenecks. If resources are low, consider optimizing or increasing them.
  
  
  Check Process Dependencies: Ensure that all prerequisite processes have completed successfully. You can use transaction RSPC to monitor the status of process chains.
  
  
  Review Logs: Check the application logs (transaction SLG1) for any additional error messages or warnings that could provide more context about the failure.
  
  
  Validate Parameters: Ensure that all parameters being passed to the process are valid and correctly formatted.
  
  
  Restart the Process: If the issue seems transient, try restarting the process or the entire process chain.
  
  
  Consult SAP Notes: Look for any relevant SAP Notes that might address known issues related to this error message.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSPC (Process Chain), SLG1 (Application Log), and ST22 (Dump Analysis) for further investigation.
  SAP Documentation: Refer to SAP Help Portal for detailed documentation on process chains and APO processes.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or open a support ticket with SAP for further assistance.