How To Fix /SAPAPO/INBO_VMI001 - Delivery number &1 is not unique

/SAPAPO/INBO_VMI001 - Overview

• Message type: E = Error

• Message class: /SAPAPO/INBO_VMI -

• Message number: 001

• Message text: Delivery number &1 is 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.

Unfortunately, there isn't any extra information in this error notice.

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/SAPAPO/INBO_VMI001 - Details

• The SAP error message /SAPAPO/INBO_VMI001 Delivery number &1 is not unique typically occurs in the context of Advanced Planning and Optimization (APO) when dealing with Vendor Managed Inventory (VMI) scenarios. This error indicates that the system has encountered a delivery number that is not unique, meaning that there are multiple entries in the system with the same delivery number.
  
  Cause:
  
  Duplicate Delivery Numbers: The most common cause of this error is that there are multiple records in the system with the same delivery number. This can happen due to data entry errors, incorrect data imports, or issues with the integration between systems.
  Data Synchronization Issues: If there are synchronization issues between the ERP and APO systems, it may lead to duplicate entries being created.
  Incorrect Configuration: Misconfiguration in the VMI setup or in the integration settings can also lead to this error.
  
  
  Solution:
  
  
  Check for Duplicates: 
  
  Use transaction codes like SE16 or SE11 to check the