L Server it self.
The No Database Selected error means that there is a problem connecting to the mysql server.
90% of the time, it means the information in the Connections/PowerStoreConnection.php file is not correct.
the other 10% of the time, it is a problem with the MySQL Server itself.
double check the Connections/PowerStoreConnection.php file on the remote server to make sure the information for connecting to the MySQL Server is correct