I tried with and without the client player; still the spinning wheel every time. This is the LMS log since I started it up this evening.
Code:
[19-09-26 23:29:04.1001] main::init (387) Starting Logitech Media Server (v7.9.2, 1568726655, Tue Sep 17 15:48:36 CEST 2019) perl 5.026001 - x86_64-linux-gnu-thread-multi
2019-09-26 23:31:38 squeezeboxserver_safe stopped.
2019-09-26 23:31:39 squeezeboxserver_safe started.
[19-09-26 23:31:41.8401] main::init (387) Starting Logitech Media Server (v7.9.2, 1568726655, Tue Sep 17 15:48:36 CEST 2019) perl 5.026001 - x86_64-linux-gnu-thread-multi
[19-09-26 23:31:44.5889] Slim::Web::JSONRPC::requestMethod (486) 00:04:20:12:91:e4: request not dispatchable!
2019-09-26 23:31:52 squeezeboxserver_safe stopped.
2019-09-26 23:31:52 squeezeboxserver_safe started.
[19-09-26 23:31:55.4344] main::init (387) Starting Logitech Media Server (v7.9.2, 1568726655, Tue Sep 17 15:48:36 CEST 2019) perl 5.026001 - x86_64-linux-gnu-thread-multi
[19-09-26 23:31:58.5898] Slim::Web::JSONRPC::requestMethod (486) 00:04:20:12:91:e4: request not dispatchable