TSUIN0112 Exception when trying to refresh the system.

The system reference could not be refreshed properly, meaning that the underlying applications could not be updated by reading the corresponding master configuration. A more detailed exception can usually be found in the error details.

User Response:
If the target system is remote, check your network connection and configuration in the client (host name, port).
Model Administrator Response:
Verify that the master configuration for the corresponding system is valid.
Server Administrator Response:
If the master configuration file is provided by a remote system, verify that the server is up and running correctly. Verify that all customization steps in the server Installation Guide concerning the location and customization of the Master Configuration file are done correctly.