How To Fix /PM0/ABP_PLAN_EXTDT021 - Entry not unique

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/ABP_PLAN_EXTDT -

• Message number: 021

• Message text: Entry not unique

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PM0/ABP_PLAN_EXTDT021 - Entry not unique ?

  The SAP error message /PM0/ABP_PLAN_EXTDT021 Entry not unique typically occurs in the context of planning or scheduling within the SAP system, particularly when dealing with planning data that has multiple entries that match the criteria being queried or processed. This can happen in various modules, including Project Management (PM) or Advanced Business Planning (ABP).
  Cause:
  The error indicates that the system has encountered multiple entries in the database that match the criteria for a specific operation, but it requires a unique entry to proceed. This can happen due to:
  
  Duplicate Entries: There may be duplicate records in the database for the planning data you are trying to access or manipulate.
  Incorrect Selection Criteria: The selection criteria used in the planning transaction may not be specific enough to narrow down to a single entry.
  Data Integrity Issues: There may be issues with data integrity, where the same data has been entered multiple times due to user error or system glitches.
  
  Solution:
  To resolve the /PM0/ABP_PLAN_EXTDT021 Entry not unique error, you can take the following steps:
  
  
  Check for Duplicates:
  
  Use transaction codes like SE16 or SE11 to access the relevant database tables and check for duplicate entries that match the criteria you are using.
  Identify and remove or consolidate duplicate entries as necessary.
  
  
  
  Refine Selection Criteria:
  
  Review the selection criteria you are using in your planning transaction. Ensure that it is specific enough to return a unique entry.
  Modify the parameters or filters to narrow down the results.
  
  
  
  Data Cleanup:
  
  If duplicates are found, consider performing a data cleanup to ensure that the database is free of unnecessary duplicate entries.
  This may involve working with your data management team or using data management tools within SAP.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific transaction or module you are working with. There may be known issues or additional guidance available.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking for duplicates and refining your selection criteria, consider reaching out to SAP support for further assistance. They may provide insights specific to your system configuration or version.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE16 (Data Browser), SE11 (Data Dictionary), and others that may help in analyzing the data.
  SAP Notes: Check the SAP Support Portal for any notes related to this error message. There may be patches or updates that address this issue.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.