How To Fix /SCDL/BC206 - An entry already exists with the same key

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCDL/BC -

• Message number: 206

• Message text: An entry already exists with the same key

Self-Explanatory Message

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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 /SCDL/BC206 - An entry already exists with the same key ?

  The SAP error message /SCDL/BC206 An entry already exists with the same key typically occurs in the context of the SAP Supply Chain Management (SCM) module, particularly when dealing with master data or configuration entries. This error indicates that there is an attempt to create or update an entry in a database table where a record with the same key already exists.
  Cause:
  
  Duplicate Key Entry: The most common cause of this error is that the system is trying to insert a new record with a key that already exists in the database. This could happen during data uploads, migrations, or manual entries.
  Data Consistency Issues: If there are inconsistencies in the data being processed, such as incorrect mappings or duplicate records in the source data, this error can occur.
  Configuration Errors: Sometimes, configuration settings in the system may lead to attempts to create duplicate entries.
  
  Solution:
  
  Check Existing Entries: Before attempting to create a new entry, check the database or the relevant table to see if an entry with the same key already exists. You can use transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser) to view the table contents.
  Modify the Key: If you need to create a new entry, ensure that the key is unique. Modify the key values to avoid duplication.
  Data Cleanup: If the error is due to duplicate records in the source data, clean up the data to remove duplicates before processing it.
  Error Handling in Uploads: If this error occurs during data uploads (e.g., using LSMW or BAPIs), implement error handling to skip or log duplicates instead of failing the entire upload.
  Consult Documentation: Review the relevant SAP documentation or notes for any specific guidance related to the error message and the context in which it occurs.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE11, SE16, and SE37 (for function modules) to help diagnose and resolve the issue.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for notes using the SAP Support Portal.
  Debugging: If you have access to debugging tools, you can analyze the program or function module that is generating the error to understand the context better.
  User Authorization: Ensure that you have the necessary authorizations to view and modify the entries in the relevant tables.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.