How To Fix /ISDFPS/LM_PM_ADDON100 - Duplicate entries in table for month &1 and year &2; check your entries

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/LM_PM_ADDON -

• Message number: 100

• Message text: Duplicate entries in table for month &1 and year &2; check your entries

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /ISDFPS/LM_PM_ADDON100 - Duplicate entries in table for month &1 and year &2; check your entries ?

  The SAP error message /ISDFPS/LM_PM_ADDON100 Duplicate entries in table for month &1 and year &2; check your entries typically indicates that there are duplicate records in a specific table for the given month and year. This error is often encountered in the context of financial or project management modules where entries are expected to be unique for a given time period.
  Cause:
  
  Duplicate Data Entry: The most common cause is that the same data has been entered multiple times for the same month and year.
  Data Migration Issues: If data was migrated from another system, it’s possible that duplicates were introduced during the migration process.
  Concurrent Processing: If multiple users or processes are trying to enter data for the same period simultaneously, it may lead to duplicates.
  System Bugs: Occasionally, bugs in the SAP system or custom code can lead to unintended duplicate entries.
  
  Solution:
  
  
  Check for Duplicates: 
  
  Use transaction codes like SE16 or SE11 to access the relevant database table and check for duplicate entries for the specified month and year.
  You can run a query to identify duplicates based on key fields that should be unique.
  
  
  
  Delete or Correct Duplicates: 
  
  Once identified, you can either delete the duplicate entries or correct them as necessary. Ensure that you have proper backups and authorization before making changes to the database.
  If the duplicates are due to user error, consider implementing validation checks to prevent future occurrences.
  
  
  
  Review Data Entry Processes: 
  
  Review the processes for data entry to ensure that they are robust and include checks for duplicates.
  Consider implementing user training to minimize the risk of duplicate entries.
  
  
  
  Consult SAP Notes: 
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide guidance on handling duplicates.
  
  
  
  Engage Technical Support: 
  
  If the issue persists or if you suspect a system bug, consider reaching out to your SAP support team or consulting with SAP directly for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE16 (Data Browser), SE11 (Data Dictionary), and SE38 (ABAP Program Execution) for troubleshooting.
  Database Tables: Identify which specific table is causing the issue. This may require knowledge of the specific module you are working with.
  Documentation: Review SAP documentation related to the module you are working with for any specific guidelines on data entry and management.
  
  By following these steps, you should be able to identify and resolve the issue causing the duplicate entries error in SAP.