How To Fix ATO121 - System not configured for Collection based transports

ATO121 - Overview

• Message type: E = Error

• Message class: ATO - Adaptation Transport Organizer Messages

• Message number: 121

• Message text: System not configured for Collection based transports

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 ATO121 - System not configured for Collection based transports ?

  The SAP error message ATO121, which states "System not configured for Collection based transports," typically occurs when you are trying to perform a transport operation that requires the system to be set up for collection-based transports, but it is not configured to do so.
  
  Cause:
  
  Configuration Missing: The system is not configured to allow collection-based transports. This can happen if the necessary settings in the transport management system (TMS) are not properly set up.
  Transport Layer Issues: The transport layer may not be correctly defined or may not support collection-based transports.
  User Authorization: The user attempting the transport may not have the necessary authorizations to perform collection-based transports.
  
  
  Solution:
  To resolve the ATO121 error, you can follow these steps:
  
  
  Check TMS Configuration:
  
  Go to the Transport Management System (TMS) configuration.
  Ensure that the transport routes and layers are correctly defined.
  Verify that the system is set up to allow collection-based transports.
  
  
  
  Configure Collection-Based Transports:
  
  If your system needs to support collection-based transports,