How To Fix O8109 - Entry & already exists

O8109 - Overview

• Message type: E = Error

• Message class: O8 - IS-Oil: TD Transportation and Distribution

• Message number: 109

• Message text: Entry & already exists

What causes this issue?

You cannot use this entry, as it has already been created.

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?

Return to the transaction and change the entry.

Error message extract from SAP system. Copyright SAP SE.

O8109 - Details

• The SAP error message O8109 ("Entry & already exists") typically occurs when you are trying to create or modify an entry in a table or configuration that already has an existing entry with the same key or identifier. This can happen in various contexts, such as when working with master data, configuration settings, or customizing settings in SAP.
  
  Cause:
  
  Duplicate Entry: The most common cause is that the entry you are trying to create already exists in the database. This could be due to a previous entry that was not deleted or an attempt to create a new entry with the same key.
  Incorrect Data Entry: Sometimes, the error can arise from incorrect data entry, where the system interprets the input as a duplicate.
  Data Migration Issues: If data has been migrated from another system, there may be duplicates that were not properly handled during the migration process.
  
  
  Solution:
  
  Check Existing Entries: Before creating a new