How To Fix /SAPAPO/MA150 - Duplicate entries deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/MA -

• Message number: 150

• Message text: Duplicate entries deleted

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/MA150 - Duplicate entries deleted ?

  The SAP error message /SAPAPO/MA150 Duplicate entries deleted typically occurs in the context of SAP Advanced Planning and Optimization (APO) when the system detects duplicate entries in a planning object, such as a master data record or a planning book. This can happen during data uploads, planning runs, or when executing certain transactions.
  Cause:
  
  
  Duplicate Data: The primary cause of this error is the presence of duplicate entries in the data being processed. This could be due to:
  
  Incorrect data uploads from external systems.
  Manual data entry errors.
  Data replication issues from other SAP modules or systems.
  
  
  
  Configuration Issues: Sometimes, the configuration settings in the APO system may not be set up to handle duplicates properly, leading to this error.
  
  
  Data Consistency: The error may also arise from inconsistencies in the data model, where the same key or identifier is used for multiple entries.
  
  
  Solution:
  
  
  Identify Duplicates: 
  
  Use transaction codes like /SAPAPO/MDP or /SAPAPO/MDP1 to analyze the master data and identify duplicate entries.
  You can also use reports or queries to check for duplicates in the relevant tables.
  
  
  
  Data Cleanup:
  
  Once duplicates are identified, you can delete or merge them as appropriate. This may involve:
  
  Manually correcting the entries.
  Using mass change transactions to remove duplicates.
  Adjusting data in the source systems to prevent future duplicates.
  
  
  
  
  
  Review Data Upload Processes:
  
  If the duplicates are caused by data uploads, review the data extraction and loading processes to ensure they are correctly configured to avoid duplicates.
  Implement checks or validations in the data upload process to catch duplicates before they are loaded into the system.
  
  
  
  Configuration Review:
  
  Check the configuration settings in the APO system to ensure they are set up to handle duplicates appropriately.
  Consult with your SAP Basis or APO consultant if necessary to adjust settings.
  
  
  
  Testing:
  
  After making changes, conduct thorough testing to ensure that the issue is resolved and that no new duplicates are being created.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to this error message for any specific patches or updates that may address the issue.
  Documentation: Review SAP documentation on master data management and data consistency in APO for best practices.
  Community Forums: Engage with SAP community forums or support channels for additional insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the /SAPAPO/MA150 Duplicate entries deleted error and prevent it from occurring in the future.