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
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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
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