Networkupstoolsbinding throws error: Nut processing error

Hey,

since updating to 2.2.0 (or maybe already earlier, but at least i just saw it)… my network-binding for getting all the data out of my ups-systems throw an error. Problem is: It seems to work. But there is this error… all data are actual.

Is there any solution? Any possibility to get more information out of this??

2018-01-18 08:02:07.078 [ERROR] [ools.internal.NetworkUpsToolsBinding] - Nut processing error
org.networkupstools.jnut.NutException: DRIVER-NOT-CONNECTED
	at org.networkupstools.jnut.Client.detectError(Client.java:407) [219:org.openhab.binding.networkupstools:1.11.0]
	at org.networkupstools.jnut.Client.get(Client.java:503) [219:org.openhab.binding.networkupstools:1.11.0]
	at org.networkupstools.jnut.Device.getVariable(Device.java:236) [219:org.openhab.binding.networkupstools:1.11.0]
	at org.openhab.binding.networkupstools.internal.NetworkUpsToolsBinding.execute(NetworkUpsToolsBinding.java:102) [219:org.openhab.binding.networkupstools:1.11.0]
	at org.openhab.core.binding.AbstractActiveBinding$BindingActiveService.execute(AbstractActiveBinding.java:144) [221:org.openhab.core.compat1x:2.2.0]
	at org.openhab.core.service.AbstractActiveService$RefreshThread.run(AbstractActiveService.java:166) [221:org.openhab.core.compat1x:2.2.0]