How To Fix OT777 - SAPRFCCOPY cannot be called without specifying a TCP/IP connection

OT777 - Overview

• Message type: E = Error

• Message class: OT - SAP Online Correction Support (SOCS)

• Message number: 777

• Message text: SAPRFCCOPY cannot be called without specifying a TCP/IP 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 OT777 - SAPRFCCOPY cannot be called without specifying a TCP/IP connection ?

  The SAP error message OT777, which states "SAPRFCCOPY cannot be called without specifying a TCP/IP connection," typically occurs when there is an attempt to use the RFC (Remote Function Call) interface without a proper TCP/IP connection being established. This can happen in various scenarios, such as when trying to call a remote function module or when there is a misconfiguration in the RFC destination settings.
  
  Cause:
  
  Missing or Incorrect RFC Destination: The RFC destination that you are trying to use may not be defined correctly in the SAP system.
  Network Issues: There may be network connectivity issues preventing the SAP system from establishing a TCP/IP connection.
  Configuration Errors: The configuration settings for the RFC destination may be incomplete or incorrect.
  Authorization Issues: The user may not have the necessary authorizations to execute the RFC call.
  
  
  Solution:
  
  
  Check RFC Destination:
  
  Go to transaction SM59 in the SAP GUI.
  Verify that the RFC destination you are trying to use is correctly