How To Fix WRF_DISPRO124 - An entry already exists with the same key

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_DISPRO -

• Message number: 124

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

What causes this issue?

You entered a key that already exists.

System Response

The entry cannot be created.

How to fix this error?

Specify another key or remove the entry.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WRF_DISPRO124 - An entry already exists with the same key ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WRF_DISPRO124: An entry already exists with the same key
  
  Cause:
  This error occurs when you try to create or insert a record in a database table or internal table where the key fields of the new entry already exist in an existing record. In SAP, database tables and internal tables often have unique key constraints to prevent duplicate entries. When you attempt to insert a duplicate key, the system raises this error.
  Common scenarios include:
  
  Attempting to create a duplicate master data record (e.g., material, vendor, customer) with the same key.
  During data upload or batch input, duplicate entries are being inserted.
  Custom programs or enhancements trying to insert records without checking for existing keys.
  In workflow or configuration tables where unique keys are mandatory.
  
  
  Solution:
  
  
  Check for Existing Entries:
  
  Before inserting a new record, verify if an entry with the same key already exists.
  Use SELECT statements or appropriate function modules to check for duplicates.
  
  
  
  Modify the Key or Data:
  
  If the key is supposed to be unique, ensure that the new entry has a unique key.
  If the data is duplicate due to incorrect input, correct the input data.
  
  
  
  Update Instead of Insert:
  
  If the record already exists and you want to modify it, use UPDATE instead of INSERT.
  
  
  
  Debugging Custom Code:
  
  If this error occurs in custom developments, debug the code to find where the insert is attempted.
  Add logic to check for existing keys before insert.
  
  
  
  Data Cleansing:
  
  If the error occurs during data migration or upload, cleanse the data to remove duplicates.
  
  
  
  Check Table Definitions:
  
  Review the table’s key fields in SE11 to understand which fields form the unique key.
  
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SE11 (Data Dictionary) – to check table definitions and keys.
  SE16 / SE16N – to view table contents and check for existing entries.
  SE38 / SE80 – to debug custom programs.
  
  
  
  Common SAP Notes:
  
  Sometimes SAP releases notes related to specific modules or tables where this error is common. Check SAP Support Portal for notes related to your module.
  
  
  
  Function Modules:
  
  Use function modules like READ_TABLE or SELECT_SINGLE to check for existing entries before insert.
  
  
  
  Example Scenario:
  
  In a custom program inserting entries into a Z-table with key fields MANDT and ID, if an entry with the same MANDT and ID exists, the insert will fail with this error.
  
  
  
  
  If you provide the context (module, transaction, or program) where this error occurs, I can help with more specific guidance.