How To Fix /SAPAPO/OM_SYNC020 - RPM inconsistent or RPMCALL started

/SAPAPO/OM_SYNC020 - Overview

• Message type: E = Error

• Message class: /SAPAPO/OM_SYNC -

• Message number: 020

• Message text: RPM inconsistent 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.

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

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM_SYNC020 - RPM inconsistent or RPMCALL started ?

  The SAP error message /SAPAPO/OM_SYNC020 RPM inconsistent or RPMCALL started typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an inconsistency in the Resource Planning Module (RPM) or when a call to the RPM is already in progress. This can happen during various operations, such as planning runs or when trying to access certain functionalities within the APO system.
  Causes:
  
  Inconsistent Data: The RPM may have inconsistent data due to previous failed operations or incomplete transactions.
  Concurrent Processes: Another process may be running that is accessing the RPM, leading to a lock or conflict.
  System 
  Configuration Issues: There may be configuration issues within the APO system that are causing the RPM to behave unexpectedly.
  Database Locks: Database locks on the RPM tables can prevent new operations from being executed.
  
  Solutions:
  
  
  Check for Running Processes: Use transaction codes like SM66 or SM50 to check if there are any active processes that are