How To Fix /SMB/EXT_INTERFACES003 - The Order Numbers of Items are not all unique

/SMB/EXT_INTERFACES003 - Overview

• Message type: E = Error

• Message class: /SMB/EXT_INTERFACES -

• Message number: 003

• Message text: The Order Numbers of Items are not all unique

Self-Explanatory Message

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/SMB/EXT_INTERFACES003 - Details

• The SAP error message /SMB/EXT_INTERFACES003 indicates that there is an issue with the order numbers of items in a transaction or interface. Specifically, it means that the order numbers for the items being processed are not unique, which is a requirement for the system to process the data correctly.
  
  Cause:
  
  Duplicate Order Numbers: The most common cause of this error is that the data being processed contains duplicate order numbers for the items. This can happen if the data is being imported from an external system or if there are manual entries that have not been validated for uniqueness.
  Data Integrity Issues: There may be issues with data integrity in the source system, leading to the generation of non-unique order numbers.
  
  Configuration Issues: In some cases, the configuration of the interface or the way the data is structured may lead to duplicates being generated.
  
  
  Solution:
  
  Check Data for Duplicates: Review the data being processed to identify