How To Fix TB548 - Enter a valid RFC connection

TB548 - Overview

• Message type: E = Error

• Message class: TB - SM31 table maintenance messages

• Message number: 548

• Message text: Enter a valid RFC connection

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message TB548 - Enter a valid RFC connection ?

  The SAP error message TB548, which states "Enter a valid RFC connection," typically occurs when there is an issue with the Remote Function Call (RFC) connection in the SAP system. This error can arise in various scenarios, such as when trying to execute a transaction that requires an RFC connection to another SAP system or when configuring system settings.
  Causes of TB548 Error
  
  Invalid RFC Connection Name: The RFC connection name entered may not exist or may be misspelled.
  Connection 
  Configuration Issues: The RFC destination may not be properly configured in the SAP system.
  Network Issues: There may be network connectivity problems preventing the SAP system from reaching the target system.
  Authorization Issues: The user may not have the necessary authorizations to access the specified RFC connection.
  System Configuration: The target system may not be available or may not be configured to accept connections.
  
  Solutions to TB548 Error
  
  
  Check RFC Connection Name:
  
  Go to transaction code SM59 (RFC Destinations).
  Verify