How To Fix MBCSEV001 - Entries with identical key fields exist

SAP Error Message - Details

• Message type: E = Error

• Message class: MBCSEV - Messages for Inbound Distribution

• Message number: 001

• Message text: Entries with identical key fields exist

What causes this issue?

Entries exist with identical key fields. The combination of
communication method, recipient address or address template, document
class and exit name has to be unique.

System Response

The affected lines are highlighted in red.

How to fix this error?

Delete duplicate entries.

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 MBCSEV001 - Entries with identical key fields exist ?

  The SAP error message MBCSEV001 indicates that there are entries with identical key fields in the system, which is causing a conflict. This error typically occurs in the context of material master data, inventory management, or similar modules where unique identifiers (keys) are required for records.
  Cause:
  The error arises when you attempt to create or modify a record in SAP that has a key field (or combination of key fields) that already exists in the database. This can happen in various scenarios, such as:
  
  Attempting to create a new material or document that has the same key as an existing one.
  Importing data that contains duplicates.
  Errors in data entry where the same identifier is mistakenly entered multiple times.
  
  Solution:
  To resolve the MBCSEV001 error, you can follow these steps:
  
  
  Identify Duplicates:
  
  Use transaction codes like SE16 or SE11 to check the relevant database table for existing entries with the same key fields. This will help you identify the duplicates causing the error.
  
  
  
  Review Data:
  
  Check the data you are trying to enter or modify. Ensure that the key fields are unique and do not conflict with existing records.
  
  
  
  Modify or Delete Duplicates:
  
  If you find duplicate entries that are not needed, you may consider deleting or modifying them to ensure that the key fields are unique.
  
  
  
  Adjust Import Data:
  
  If the error occurs during a data import, review the import file for duplicates and remove them before re-importing.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance related to the module you are working with, as the context may vary.
  
  
  
  Contact Support:
  
  If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  
  Related Information:
  
  Key Fields: Understand which fields are considered key fields in the context of your specific SAP module. This can vary based on the type of data you are working with (e.g., material master, vendor master).
  Transaction Codes: Familiarize yourself with relevant transaction codes for data management, such as MM01 (Create Material), MM02 (Change Material), and MM03 (Display Material).
  Data Integrity: Maintaining data integrity is crucial in SAP systems. Regular audits and checks can help prevent such errors from occurring in the future.
  
  By following these steps, you should be able to resolve the MBCSEV001 error and ensure that your data entries are unique and valid within the SAP system.