Sorry for the screenshot. As i sayed it was my first post… I hope ist better now. At least it Looks better for me in the preview 
If you need something else let me know.
2019-01-05 11:02:59.928 [ERROR] [org.openwebnet.AbstractOpenGateway ] - ERROR IN Java $MODULE$: connection cannot be established
==> /var/log/openhab2/events.log <==
2019-01-05 11:02:59.930 [hingStatusInfoChangedEvent] - 'openwebnet:bus_gateway:c609c344' changed from UNINITIALIZED to INITIALIZING
2019-01-05 11:02:59.945 [hingStatusInfoChangedEvent] - 'openwebnet:bus_gateway:c609c344' changed from INITIALIZING to UNKNOWN
==> /var/log/openhab2/openhab.log <==
2019-01-05 11:03:19.935 [INFO ] [bnet.handler.OpenWebNetBridgeHandler] - ==OWN== BridgeHandler status still UNKNOWN. Setting device=openwebnet:bus_gateway:c609c344 to OFFLINE
==> /var/log/openhab2/events.log <==
2019-01-05 11:03:19.946 [hingStatusInfoChangedEvent] - 'openwebnet:bus_gateway:c609c344' changed from UNKNOWN to OFFLINE (COMMUNICATION_ERROR)
2019-01-05 11:10:33.655 [ome.event.ItemCommandEvent] - Item 'Licht_Arbeitszimmer' received command ON
==> /var/log/openhab2/openhab.log <==
2019-01-05 11:10:33.665 [ERROR] [ding.bticino.internal.BticinoBinding] - Item [Licht_Arbeitszimmer] uses Bticino interface with ID [webserver] but this gateway doesn't exist : check items.cfg and openhab.cfg!