How To Fix /SAPAPO/OM_ERROR165 - Two entries in the list have the same number

/SAPAPO/OM_ERROR165 - Overview

• Message type: E = Error

• Message class: /SAPAPO/OM_ERROR -

• Message number: 165

• Message text: Two entries in the list have the same number

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_ERROR165 - Two entries in the list have the same number ?

  The SAP error message /SAPAPO/OM_ERROR165 indicates that there are two entries in a list that have the same number, which typically occurs in the context of SAP Advanced Planning and Optimization (APO) when dealing with master data or planning data. This error can arise in various scenarios, such as during the creation or modification of planning objects, like products, locations, or resources.
  
  Cause:
  
  
  Duplicate Entries: The most common cause of this error is the presence of duplicate entries in the data being processed. This could be due to:
  
  Manual data entry errors.
  Data import processes that do not check for existing entries.
  Incorrect configuration or settings in the system.
  
  
  
  Data Consistency Issues: If the system is not properly synchronized or if there are inconsistencies in the master data, it can lead to this error.
  
  
  Custom Development: If there are custom programs or enhancements that manipulate data, they might inadvertently create duplicates.
  
  
  
  Solution:
  
  
  Identify Duplicates: 
  
  Use transaction codes like /SAPAPO/OM