How To Fix GW453 - Conversation not initialized; check if CMINIT/CMACCP was called

GW453 - Overview

• Message type: E = Error

• Message class: GW - Message Texts for Gateway

• Message number: 453

• Message text: Conversation not initialized; check if CMINIT/CMACCP was called

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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 GW453 - Conversation not initialized; check if CMINIT/CMACCP was called ?

  The SAP error message GW453, which states "Conversation not initialized; check if CMINIT/CMACCP was called," typically occurs in the context of SAP Gateway and communication between systems. This error indicates that a conversation (a session of communication) has not been properly initialized before attempting to send or receive messages.
  
  Cause:
  
  Initialization Failure: The error usually arises when the necessary initialization functions, such as CMINIT (for initializing the communication) or CMACCP (for establishing a connection), have not been called before attempting to use the communication functions.
  Incorrect Sequence of Function Calls: The sequence of function calls in the program may be incorrect, leading to the conversation not being set up properly.
  
  Configuration Issues: There may be issues with the configuration of the SAP Gateway or the RFC (Remote Function Call) destination.
  Network Issues: Problems with network connectivity between the systems can also lead to this error.
  
  
  Solution:
  
  Check Initialization Calls: Ensure that the CMINIT and CMACCP functions are