How To Fix /SAPAPO/LOC163 - Insert case: Entry exists but is already in table /sapapo/loc_sub

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/LOC -

• Message number: 163

• Message text: Insert case: Entry exists but is already in table /sapapo/loc_sub

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/LOC163 - Insert case: Entry exists but is already in table /sapapo/loc_sub ?

  The SAP error message /SAPAPO/LOC163 indicates that there is an attempt to insert a case into the location substitution table (/sapapo/loc_sub), but the entry already exists in the table. This typically occurs in the context of Advanced Planning and Optimization (APO) when working with location substitution data.
  Cause:
  
  Duplicate Entry: The most common cause of this error is that the entry you are trying to insert already exists in the /sapapo/loc_sub table. This could happen if the same location substitution is being processed multiple times.
  Data Consistency Issues: There may be inconsistencies in the data being processed, leading to attempts to insert records that are already present.
  Incorrect Logic in Custom Code: If there is custom code or a user exit that handles location substitutions, it may not be correctly checking for existing entries before attempting to insert new ones.
  
  Solution:
  
  Check Existing Entries: Before attempting to insert a new entry, check the /sapapo/loc_sub table to see if the entry already exists. You can do this using transaction codes like SE16 or SE11 to view the table contents.
  Modify Logic: If you are using custom code, ensure that it includes logic to check for existing entries before performing an insert operation. This can prevent the error from occurring.
  Data Cleanup: If there are duplicate entries that should not exist, consider cleaning up the data in the /sapapo/loc_sub table. This may involve deleting or correcting duplicate records.
  Consult Documentation: Review SAP documentation or notes related to location substitution to ensure that you are following the correct procedures for data entry.
  Error Handling: Implement error handling in your processes to manage situations where duplicates are detected, allowing for graceful handling of the error rather than a hard failure.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like /SAPAPO/LOC to manage location substitution data.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on best practices for managing location substitutions.
  APO Configuration: Review the configuration settings in APO related to location substitution to ensure they are set up correctly.
  Support: If the issue persists and you cannot resolve it, consider reaching out to SAP support for assistance, providing them with details of the error and the context in which it occurs.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to prevent it from occurring in the future.