How To Fix CA_TTE186 - Define calling system identifier for (&1,&2)

CA_TTE186 - Overview

• Message type: E = Error

• Message class: CA_TTE - TTE Messages

• Message number: 186

• Message text: Define calling system identifier for (&1,&2)

Self-Explanatory Message

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CA_TTE186 - Details

• The SAP error message CA_TTE186 "Define calling system identifier for (&1,&2)" typically occurs in the context of the SAP Transport Management System (TMS) or when dealing with transport requests and system connections. This error indicates that the system is unable to identify the calling system for a specific transport request or operation.
  
  Cause:
  
  Missing Configuration: The calling system identifier has not been defined in the TMS configuration. This can happen if the system was not properly set up or if there have been changes to the system landscape.
  Transport Route Issues: There may be issues with the transport routes or the configuration of the transport domain.
  System Alias Not Defined: The system alias for the calling system may not be defined in the TMS settings.
  
  
  Solution:
  
  
  Define Calling System Identifier:
  
  Go to the TMS configuration (Transaction code STMS).
  Navigate to the "Transport Routes" and ensure that the calling system is properly defined.
  Check the "Systems" tab and ensure that