How To Fix EDEREG_INV443 - External BP number &1 for partner selection not unique

EDEREG_INV443 - Overview

• Message type: E = Error

• Message class: EDEREG_INV - Error Messages for Payment Management in a Deregulated Env.

• Message number: 443

• Message text: External BP number &1 for partner selection not unique

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message EDEREG_INV443 - External BP number &1 for partner selection not unique ?

  The SAP error message EDEREG_INV443 indicates that there is an issue with the external Business Partner (BP) number during partner selection. Specifically, it means that the external BP number provided is not unique, which can lead to confusion in identifying the correct business partner in the system.
  
  Cause:
  The error typically arises due to one of the following reasons:
  
  Duplicate External BP Numbers: There are multiple business partners in the system that share the same external BP number.
  Incorrect Configuration: The system may not be configured correctly to handle external BP numbers, leading to conflicts.
  Data Migration Issues: If data has been migrated from another system, it is possible that duplicate entries were created during the migration process.
  
  
  Solution:
  To resolve the EDEREG_INV443 error, you can take the following steps:
  
  
  Check for Duplicates:
  
  Use transaction code BP (Business Partner) to search for the external BP number in question.
  Check if there are multiple entries with the same external BP number.
  
  
  
  Identify