How To Fix RY102 - Generic transaction with the external number & already exists

RY102 - Overview

• Message type: E = Error

• Message class: RY - Messages for RM Basis

• Message number: 102

• Message text: Generic transaction with the external number & already exists

What causes this issue?

Generic transaction with external number &V1& already exists and so
cannot be created.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RY102 - Generic transaction with the external number & already exists ?

  The SAP error message RY102, which states "Generic transaction with the external number & already exists," typically occurs when there is an attempt to create a new transaction or record in the system using an external number that has already been assigned to another transaction or record. This can happen in various modules, such as finance, logistics, or project management, where external numbering is used for transactions.
  
  Cause:
  
  Duplicate External Number: The primary cause of this error is that the external number you are trying to use for a new transaction is already in use by another transaction in the system.
  Incorrect Configuration: There may be issues with the configuration of the number range settings, leading to overlaps or incorrect assignments.
  Data Migration Issues: If data has been migrated from another system, there may be conflicts with existing external numbers.
  User Error: The user may have mistakenly entered an external number that is already assigned.
  
  
  Solution:
  
  Check