How To Fix /SMB/CM_CONVERSION001 - Entry is already existing in database table

SAP Error Message - Details

• Message type: E = Error

• Message class: /SMB/CM_CONVERSION -

• Message number: 001

• Message text: Entry is already existing in database table

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SMB/CM_CONVERSION001 - Entry is already existing in database table ?

  The SAP error message /SMB/CM_CONVERSION001: Entry is already existing in database table typically occurs when there is an attempt to insert a record into a database table that already contains a record with the same key or unique identifier. This can happen in various scenarios, such as during data migration, data import, or when creating new entries in a custom application.
  Cause:
  
  Duplicate Key Violation: The most common cause is that the entry you are trying to create has a primary key or unique constraint that already exists in the database.
  Data Migration Issues: If you are migrating data from another system or from a previous version of SAP, there may be conflicts with existing data.
  Incorrect Logic in Custom Code: If there is custom ABAP code or a custom program that is trying to insert data without checking for existing entries, this error can occur.
  Concurrency Issues: If multiple processes are trying to insert the same data simultaneously, it can lead to this error.
  
  Solution:
  
  
  Check for Existing Entries: Before attempting to insert a new record, check the database table to see if an entry with the same key already exists. You can do this using a simple SELECT query.
  SELECT * FROM <table_name> WHERE <key_column> = <value>;
  
  
  Modify the Insert Logic: If you are using custom code, ensure that the logic checks for existing records before attempting to insert a new one. You can use an INSERT ... ON DUPLICATE KEY UPDATE statement if applicable.
  
  
  Data Cleanup: If you are migrating data, ensure that the data being migrated does not contain duplicates. You may need to clean up the source data before migration.
  
  
  Error Handling: Implement error handling in your code to gracefully manage situations where a duplicate entry is detected. This could involve logging the error, notifying the user, or taking corrective action.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide additional guidance.
  
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SE11 (Data Dictionary) to view the structure of the table and its constraints.
  Debugging: If the error occurs in a custom program, use the ABAP debugger to trace the execution and identify where the duplicate entry is being attempted.
  Database Constraints: Familiarize yourself with the database constraints on the table in question to understand what constitutes a duplicate entry.
  
  If the issue persists after following these steps, consider reaching out to your SAP Basis or development team for further assistance, as they may have more insights into the specific configuration and data in your SAP environment.