How To Fix /SAPAPO/CTM1834 - Rules are not supported for parallel CTM runs

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/CTM1 -

• Message number: 834

• Message text: Rules are not supported for parallel CTM runs

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/CTM1834 - Rules are not supported for parallel CTM runs ?

  The SAP error message /SAPAPO/CTM1834 indicates that certain rules are not supported when running the Capable-to-Match (CTM) process in parallel. This error typically arises in the context of Advanced Planning and Optimization (APO) when you attempt to execute multiple CTM runs simultaneously, but the configuration or rules set in the system do not allow for this.
  Cause:
  
  Incompatible Rules: The rules defined for the CTM run may not be compatible with parallel processing. This can include constraints or settings that require a sequential execution to maintain data integrity.
  Configuration Settings: The system may be configured in a way that does not support parallel processing for the specific CTM run you are trying to execute.
  Resource Locking: When multiple CTM runs are initiated, they may try to access the same resources or data, leading to conflicts.
  
  Solution:
  
  Check CTM Rules: Review the rules defined for the CTM run. Ensure that they are compatible with parallel processing. If certain rules are not compatible, consider modifying them or running the CTM process sequentially.
  Run Sequentially: If parallel execution is not necessary, you can run the CTM process sequentially to avoid this error. This can be done by scheduling the runs one after the other.
  Review Configuration: Check the configuration settings in the APO system to see if there are any parameters that can be adjusted to allow for parallel processing.
  Consult Documentation: Refer to SAP documentation or notes related to CTM and parallel processing for any specific guidelines or limitations.
  SAP Support: If the issue persists, consider reaching out to SAP support for assistance. They may provide insights specific to your system configuration or version.
  
  Related Information:
  
  CTM (Capable-to-Match): A planning tool in SAP APO that matches supply and demand while considering constraints and rules.
  Parallel Processing: A method of executing multiple processes simultaneously to improve performance and efficiency.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide updates and patches that could resolve the issue.
  System Logs: Review system logs for additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to address the error and ensure that your CTM runs are executed successfully.