How To Fix UX378 - External partner & exists already as partner &

UX378 - Overview

• Message type: E = Error

• Message class: UX - TR: Business Partner and Loan Conversion

• Message number: 378

• Message text: External partner & exists already as partner &

What causes this issue?

The external partner already exists.

System Response

The system refuses to transfer the partner.

How to fix this error?

The external partner has already been created and therefore cannot be
created again.

Error message extract from SAP system. Copyright SAP SE.

UX378 - Details

• The SAP error message UX378 typically indicates that there is an issue with the creation or modification of a business partner in the SAP system. Specifically, it suggests that the external partner you are trying to create or modify already exists in the system with the same identifier or key.
  
  Cause:
  
  Duplicate Entry: The most common cause of this error is that the business partner you are trying to create already exists in the system. This could be due to a previous entry that was not properly deleted or a duplicate entry attempt.
  Incorrect Data Entry: There may be a mistake in the data you are entering, such as using an existing partner number or identifier.
  Data Synchronization Issues: If your system is integrated with other systems (like CRM or third-party applications), there may be synchronization issues leading to duplicate entries.
  
  
  Solution:
  
  Check Existing Partners: Before creating a new partner, check the existing business partners in