How To Fix /SMB/MD_AS_CUST026 - RFC Connection for client &1 not defined

/SMB/MD_AS_CUST026 - Overview

• Message type: E = Error

• Message class: /SMB/MD_AS_CUST -

• Message number: 026

• Message text: RFC Connection for client &1 not defined

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 /SMB/MD_AS_CUST026 - RFC Connection for client &1 not defined ?

  The SAP error message /SMB/MD_AS_CUST026 RFC Connection for client &1 not defined typically indicates that there is an issue with the Remote Function Call (RFC) connection configuration for a specific client in the SAP system. This error can occur in various scenarios, particularly when trying to access or execute functions that require a valid RFC connection.
  
  Cause:
  
  Missing RFC Connection: The specified client does not have an RFC connection defined in the system.
  Incorrect Configuration: The RFC connection may be incorrectly configured or pointing to the wrong destination.
  Client-Specific Issues: The client in question may not be set up properly or may not exist in the system.
  Authorization Issues: The user may not have the necessary authorizations to access the specified RFC connection.
  
  
  Solution:
  
  
  Check RFC Connection Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Look for the RFC connection that corresponds to the client mentioned in the error message.
  If it does not exist, you will need to