SAP Message SB306 - Error in remote connection to SAP System with destination &1

Diagnosis
An error occurred during RFC communication with a remote system. &V1&was used as a destination (maintain destinations in transaction SM59).
Possible causes:

  • The remote system is not available.

  • The destination &V1& is no longer up-to-date.

  • The user name or password used for the logon is invalid.

  • Missing authorizations in the remote system.

  • Interface definitions that do not match.
  • System Response
    No data was transmitted from or to the remote system.

    Procedure
    Notify the system administration.