How To Fix /SAPAPO/PDEM473 - Cannot execute deletion in parallel mode

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PDEM -

• Message number: 473

• Message text: Cannot execute deletion in parallel mode

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/PDEM473 - Cannot execute deletion in parallel mode ?

  The SAP error message /SAPAPO/PDEM473 Cannot execute deletion in parallel mode typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an attempt to delete data in parallel processing mode, but the system is unable to do so due to certain constraints or conditions.
  Cause:
  
  
  Data Locking: The error may arise if the data being deleted is locked by another process or transaction. SAP uses locking mechanisms to ensure data integrity, and if another process is holding a lock on the data, parallel deletion cannot proceed.
  
  
  Configuration Issues: There may be configuration settings in the APO system that restrict parallel processing for certain operations, including deletions.
  
  
  System Resource Limitations: If the system is under heavy load or if there are resource limitations (like memory or CPU), it may not be able to handle parallel processing requests.
  
  
  Incompatible Data: The data being deleted may have dependencies or relationships with other data that prevent it from being deleted in parallel.
  
  
  Solution:
  
  
  Check Locks: Use transaction codes like SM12 to check for any locks on the data you are trying to delete. If you find locks, you may need to wait for the other processes to complete or resolve the locks.
  
  
  Sequential Deletion: If parallel deletion is not possible, consider executing the deletion in a sequential manner. This can often be done by adjusting the settings in the job or process that is attempting the deletion.
  
  
  Review Configuration: Check the configuration settings in the APO system to see if there are any restrictions on parallel processing for deletions. Adjust these settings if necessary.
  
  
  Monitor System Performance: Use transaction codes like SM37 to monitor background jobs and check for any performance issues. If the system is under heavy load, consider scheduling the deletion during off-peak hours.
  
  
  Consult Documentation: Review SAP notes and documentation related to the specific version of your APO system for any known issues or patches that may address this error.
  
  
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP support for assistance. They may provide insights specific to your system configuration and version.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (to check locks), SM37 (to monitor jobs), and SLG1 (to check application logs).
  SAP Notes: Search for SAP Notes related to the error message for any updates or patches that may resolve the issue.
  APO Documentation: Review the official SAP documentation for APO to understand the implications of parallel processing and deletion operations.
  
  By following these steps, you should be able to diagnose and resolve the /SAPAPO/PDEM473 error effectively.