How To Fix 3W111 - Duplicate key. Mark only one entry for each defined key.


3W111 - Overview

  • Message type: E = Error

  • Message class: 3W - HR: Message Class South Africa

  • Message number: 111

  • Message text: Duplicate key. Mark only one entry for each defined key.

  • Show details Hide details
  • What causes this issue?

    The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

    More than 1 scheme has been proposed .

    How to fix this error?

    Mark 1 scheme only per defined key.

    Procedure for System Administrators


    Error message extract from SAP system. Copyright SAP SE.


Smart SAP Assistant

  • What is the cause and solution for SAP error message 3W111 - Duplicate key. Mark only one entry for each defined key. ?
    The SAP error message 3W111: Duplicate key. Mark only one entry for each defined key typically occurs when there is an attempt to create or modify a record in a database table where a unique key constraint is violated. This means that the system has detected that there are multiple entries with the same key value, which is not allowed.
    
    Cause: Duplicate Entries: The most common cause is that there are already existing entries in the database that have the same key values you are trying to enter. Incorrect Data Entry: Users may inadvertently enter the same key value multiple times. Data Migration Issues: If data has been migrated from another system, it may contain duplicates that violate the unique key constraints. Configuration Errors: In some cases, the configuration of the system may allow for duplicate entries when it should not.
    Solution: Check Existing Records: Review the existing records in the database table to identify any duplicates.

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