How To Fix /MVA/AMVCC271 - ECoI - Partner is not unique (&1)

/MVA/AMVCC271 - Overview

• Message type: E = Error

• Message class: /MVA/AMVCC -

• Message number: 271

• Message text: ECoI - Partner is not unique (&1)

Self-Explanatory Message

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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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/MVA/AMVCC271 - Details

• The SAP error message /MVA/AMVCC271 ECoI - Partner is not unique (&1) typically occurs in the context of the SAP Advanced Planning and Optimization (APO) module, particularly when dealing with the Environment for Collaborative Planning (ECoI). This error indicates that there is a problem with the uniqueness of partner data in the system.
  
  Cause:
  The error message suggests that there are multiple entries for a partner in the system that should be unique. This could happen due to:
  
  Duplicate Partner Entries: There are multiple records for the same partner in the relevant master data tables.
  Incorrect Configuration: The configuration settings for partner determination may not be set up correctly, leading to ambiguity in identifying the partner.
  Data Migration Issues: If data was migrated from another system, it may have resulted in duplicate entries.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check for Duplicates:
  
  Use transaction codes like SE16 or SE11 to check the relevant tables