"Cannot connect to the server, it doesn't with osx mojave

hello, Serviio is very cool. sorry for my english but i am french.
since 10 days , serviio doesn't works with my imac mojave, that tell me " "Cannot connect to the server, it doesn't seem to be running..."
i don t knowk why one day it s ok and after ....No
i download the latest serviio (2.0), but nothing to do.
and of course i am a noob in program osx.
Can you help me please ?
thanks

You have to wait a bit before accessing the console after you restart the service. Sometimes exiting the console and starting it up is all you need to do.

or... you upgraded? https://forum.serviio.org/viewtopic.php?f=5&t=25485