How To Fix WB2B479 - The identifier is already used in an other session to create/change a TC

WB2B479 - Overview

• Message type: E = Error

• Message class: WB2B - Trading Contract

• Message number: 479

• Message text: The identifier is already used in an other session to create/change a TC

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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Smart SAP Assistant

• What is the cause and solution for SAP error message WB2B479 - The identifier is already used in an other session to create/change a TC ?

  The SAP error message WB2B479 indicates that the identifier you are trying to use for creating or changing a Transport Request (TC) is already in use in another session. This typically occurs when multiple users or sessions are trying to access or modify the same transport request simultaneously, leading to a conflict.
  
  Cause:
  
  Concurrent Access: Another user or session is currently using the same transport request identifier.
  Session Lock: The transport request may be locked due to an ongoing operation, such as a transport being released or modified.
  System Configuration: There may be system settings or configurations that restrict concurrent access to certain transport requests.
  
  
  Solution:
  
  
  Check Active Sessions: Verify if another session is currently using the transport request. You can do this by checking the transaction logs or using transaction codes like SM12 (to check for locks) or SM21 (to view system logs).
  
  
  Wait and Retry: If you find that another user is using the transport