How To Fix IKB122 - Duplicate entry

SAP Error Message - Details

• Message type: E = Error

• Message class: IKB - Knowledge base

• Message number: 122

• Message text: Duplicate entry

What causes this issue?

The entry made already exists.

System Response

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

How to fix this error?

Please enter different data.

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 IKB122 - Duplicate entry ?

  The SAP error message IKB122, which indicates a "Duplicate entry," typically occurs in the context of the SAP IS-Oil module, particularly when dealing with master data or transactional data entries. This error suggests that the system has detected an attempt to create or update a record that already exists in the database, leading to a violation of unique constraints.
  Causes of IKB122 Duplicate Entry Error
  
  Duplicate Master Data: Attempting to create a new master data record (e.g., customer, vendor, material) that already exists in the system.
  Transaction Data Duplication: Trying to post a transaction (e.g., delivery, invoice) that references a master data record that is already linked to another transaction.
  Incorrect Data Entry: Manual data entry errors where the same data is entered multiple times.
  Data Migration Issues: During data migration or upload processes, duplicate records may be inadvertently created if the data is not properly cleansed or validated.
  Configuration Issues: Incorrect configuration settings in the system that do not allow for the creation of multiple entries for certain data types.
  
  Solutions to Resolve IKB122 Error
  
  Check Existing Records: Before creating a new entry, verify if the record already exists in the system. Use transaction codes like SE16 or SE11 to check the relevant database tables.
  Data Cleansing: If duplicates are found, clean up the data by removing or merging duplicate entries as appropriate.
  Review Data Entry Processes: Ensure that data entry processes are standardized to minimize the risk of duplicates. Implement checks or validations in the data entry forms.
  Data Migration Validation: If the error arises during data migration, review the migration scripts or tools to ensure they are not creating duplicates. Implement checks to prevent duplicate entries during the migration process.
  Consult Documentation: Review SAP documentation or notes related to the specific module or transaction you are working with for any known issues or additional guidance.
  Error Handling in Custom Programs: If the error occurs in a custom program, review the logic to ensure it properly checks for existing records before attempting to create new ones.
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE16 (Data Browser), SE11 (Data Dictionary), and others that can help you analyze the data.
  SAP Notes: Check SAP Notes for any specific patches or updates related to the IKB122 error. SAP frequently releases notes that address known issues.
  User Authorization: Ensure that the user has the necessary authorizations to create or modify the records in question, as sometimes authorization issues can lead to unexpected errors.
  Consult with SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP Support for further assistance.
  
  By following these steps, you should be able to identify the cause of the IKB122 error and implement a solution to resolve it.