How To Fix /SAPAPO/OM_PVC_BASE021 - Invalid repetition of a call

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_PVC_BASE -

• Message number: 021

• Message text: Invalid repetition of a call

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM_PVC_BASE021 - Invalid repetition of a call ?

  The SAP error message /SAPAPO/OM_PVC_BASE021 Invalid repetition of a call typically occurs in the context of SAP Advanced Planning and Optimization (APO), particularly when dealing with the Production Planning and Detailed Scheduling (PP/DS) module. This error indicates that there is an issue with the way a function or method is being called, often related to the planning process or the execution of a specific operation.
  Causes:
  
  Duplicate Calls: The error may arise if a function is being called multiple times in a way that is not allowed. This could happen due to incorrect logic in the code or configuration.
  Concurrency Issues: If multiple processes are trying to access or modify the same data simultaneously, it can lead to this error.
  Incorrect Configuration: Misconfiguration in the planning setup or master data can lead to invalid calls being made during the planning run.
  Data Integrity Issues: If there are inconsistencies or corruption in the master data or transaction data, it may lead to unexpected behavior during planning.
  
  Solutions:
  
  Check for Duplicate Calls: Review the code or configuration to ensure that the function is not being called more than once unnecessarily. This may involve debugging the process to identify where the duplicate call is occurring.
  Review Configuration: Ensure that the configuration settings in the APO system are correct. This includes checking the planning books, data views, and any custom logic that may be implemented.
  Data Consistency Check: Run consistency checks on the master data and transaction data to ensure there are no issues that could be causing the error.
  Locking Mechanisms: If the error is related to concurrency, consider implementing proper locking mechanisms to prevent multiple processes from accessing the same data simultaneously.
  SAP Notes and Support: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that resolve known issues related to this error message.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP APO, such as /SAPAPO/OM_PVC for planning and scheduling.
  Debugging: Use the ABAP debugger to trace the execution of the program and identify where the invalid call is being made.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Documentation: Review SAP documentation related to APO and PP/DS for best practices and guidelines on configuration and usage.
  
  If the issue persists after trying the above solutions, it may be necessary to involve SAP support for further assistance.