How To Fix /SAPAPO/OM_SYNC021 - RPM obsolete or RPMCALL started

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_SYNC -

• Message number: 021

• Message text: RPM obsolete or RPMCALL started

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 /SAPAPO/OM_SYNC021 - RPM obsolete or RPMCALL started ?

  The SAP error message /SAPAPO/OM_SYNC021 typically indicates an issue related to the synchronization of data between the SAP Advanced Planning and Optimization (APO) system and the SAP ERP system. The specific message "RPM obsolete or RPMCALL started" suggests that there is a problem with the Resource Planning Module (RPM) or that a call to the RPM is currently in progress.
  Causes:
  
  Obsolete RPM Data: The RPM data may be outdated or no longer valid, which can occur if there have been changes in the master data or if the planning data has not been updated correctly.
  Concurrent Processes: If there are multiple processes trying to access or modify the RPM data simultaneously, it can lead to conflicts and this error message.
  System Configuration Issues: Incorrect configuration settings in the APO or ERP system can lead to synchronization issues.
  Data Locking: If a process is currently using the RPM data, it may lock the data, preventing other processes from accessing it.
  
  Solutions:
  
  Check for Active Processes: Verify if there are any active processes that are currently using the RPM. If so, wait for them to complete before trying again.
  Update RPM Data: Ensure that the RPM data is up-to-date. You may need to run a data update or synchronization job to refresh the data.
  Review Configuration Settings: Check the configuration settings in both the APO and ERP systems to ensure they are correctly set up for data synchronization.
  Clear Locks: If you suspect that data locking is causing the issue, you may need to clear any locks on the RPM data. This can usually be done through transaction codes like SM12 (for lock entries) in the SAP GUI.
  Check Logs: Review the application logs and system logs for any additional error messages or warnings that could provide more context about the issue.
  Consult Documentation: Refer to SAP documentation or notes related to the specific error message for any additional troubleshooting steps or patches that may be required.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/OM_SYNC for synchronization tasks, and SM21 for system logs.
  SAP Notes: Check the SAP Support Portal for any notes related to this error message, as there may be specific patches or updates that address known issues.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found effective.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis or technical support team for further investigation.