How To Fix 63562 - Duplicate key entries not permitted

SAP Error Message - Details

• Message type: E = Error

• Message class: 63 - Messages for Real Estate Management

• Message number: 562

• Message text: Duplicate key entries not permitted

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 63562 - Duplicate key entries not permitted ?

  The SAP error message "63562 Duplicate key entries not permitted" typically occurs when there is an attempt to insert or update a record in a database table that violates the unique key constraint. This means that the operation is trying to create a record with a key value that already exists in the table, which is not allowed for fields defined as unique.
  Causes:
  
  Duplicate Data Entry: The most common cause is that the data being entered already exists in the database. This can happen during manual data entry or through automated processes that do not check for existing records.
  Data Migration Issues: If data is being migrated from one system to another, duplicate keys may arise if the source data contains duplicates or if the migration logic does not handle existing records properly.
  Concurrency Issues: In a multi-user environment, two users might attempt to create the same record simultaneously, leading to a conflict.
  Incorrect Logic in Custom Code: If there are custom programs or enhancements that insert or update records, they may not be handling unique constraints correctly.
  
  Solutions:
  
  Check for Existing Records: Before inserting or updating a record, check if a record with the same key already exists in the database. This can be done using a SELECT query.
  Modify Data Entry Logic: If the error occurs during manual data entry, ensure that users are aware of existing records and provide them with a way to search for existing entries before creating new ones.
  Data Cleansing: If the error arises from data migration, review the source data for duplicates and clean it up before migration.
  Implement Error Handling: In custom code, implement error handling to catch this specific error and provide meaningful feedback to the user or log the error for further investigation.
  Use Transactions: If multiple operations are being performed, consider using database transactions to ensure that operations are atomic and can be rolled back in case of errors.
  
  Related Information:
  
  Unique Constraints: Understand the unique constraints defined on the database table. You can check the table structure in the Data Dictionary (SE11) to see which fields are defined as unique.
  Transaction Codes: Familiarize yourself with transaction codes that may be relevant to the operation you are performing (e.g., creating or updating records).
  Debugging: If you are working with custom code, use the debugger to trace the execution and identify where the duplicate key entry is being attempted.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message, as there may be specific fixes or recommendations provided by SAP.
  
  By addressing the underlying cause of the duplicate key entry, you can resolve the error and prevent it from occurring in the future.