crash.log

19:57:21.035 [INFO ] [smarthome.event.ItemCommandEvent    ] - Item 'Switch_Plug' received command OFF
19:57:21.035 [DEBUG] [home.handler.XiaomiDeviceBaseHandler] - Device 158d000124511a on channel mihome:sensor_plug:158d000124511a:power received command OFF
19:57:21.036 [ERROR] [ome.core.thing.internal.ThingManager] - Exception occurred while calling handler: java.lang.NullPointerException
java.util.concurrent.ExecutionException: java.lang.NullPointerException
	at org.eclipse.smarthome.core.common.SafeMethodCaller.executeDirectly(SafeMethodCaller.java:220)[98:org.eclipse.smarthome.core:0.9.0.b5]
	at org.eclipse.smarthome.core.common.SafeMethodCaller.callAsynchronous(SafeMethodCaller.java:189)[98:org.eclipse.smarthome.core:0.9.0.b5]
	at org.eclipse.smarthome.core.common.SafeMethodCaller.call(SafeMethodCaller.java:83)[98:org.eclipse.smarthome.core:0.9.0.b5]
	at org.eclipse.smarthome.core.common.SafeMethodCaller.call(SafeMethodCaller.java:67)[98:org.eclipse.smarthome.core:0.9.0.b5]
	at org.eclipse.smarthome.core.thing.internal.ThingManager.receiveCommand(ThingManager.java:374)[105:org.eclipse.smarthome.core.thing:0.9.0.b5]
	at org.eclipse.smarthome.core.items.events.AbstractItemEventSubscriber.receive(AbstractItemEventSubscriber.java:47)[98:org.eclipse.smarthome.core:0.9.0.b5]
	at org.eclipse.smarthome.core.internal.events.OSGiEventManager$1.call(OSGiEventManager.java:192)[98:org.eclipse.smarthome.core:0.9.0.b5]
	at org.eclipse.smarthome.core.internal.events.OSGiEventManager$1.call(OSGiEventManager.java:1)[98:org.eclipse.smarthome.core:0.9.0.b5]
	at org.eclipse.smarthome.core.common.SafeMethodCaller$CallableWrapper.call(SafeMethodCaller.java:181)[98:org.eclipse.smarthome.core:0.9.0.b5]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)[:1.8.0_144]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)[:1.8.0_144]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)[:1.8.0_144]
	at java.lang.Thread.run(Thread.java:748)[:1.8.0_144]
Caused by: java.lang.NullPointerException
	at org.openhab.binding.mihome.handler.XiaomiBridgeHandler.toJsonValue(XiaomiBridgeHandler.java:319)[181:org.openhab.binding.mihome:2.1.0]
	at org.openhab.binding.mihome.handler.XiaomiBridgeHandler.sendCommandToBridge(XiaomiBridgeHandler.java:257)[181:org.openhab.binding.mihome:2.1.0]
	at org.openhab.binding.mihome.handler.XiaomiBridgeHandler.sendCommandToBridge(XiaomiBridgeHandler.java:239)[181:org.openhab.binding.mihome:2.1.0]
	at org.openhab.binding.mihome.handler.XiaomiBridgeHandler.writeToDevice(XiaomiBridgeHandler.java:266)[181:org.openhab.binding.mihome:2.1.0]
	at org.openhab.binding.mihome.handler.XiaomiActorPlugHandler.execute(XiaomiActorPlugHandler.java:42)[181:org.openhab.binding.mihome:2.1.0]
	at org.openhab.binding.mihome.handler.XiaomiDeviceBaseHandler.handleCommand(XiaomiDeviceBaseHandler.java:97)[181:org.openhab.binding.mihome:2.1.0]
	at org.eclipse.smarthome.core.thing.internal.ThingManager$4.call(ThingManager.java:377)[105:org.eclipse.smarthome.core.thing:0.9.0.b5]
	at org.eclipse.smarthome.core.thing.internal.ThingManager$4.call(ThingManager.java:1)[105:org.eclipse.smarthome.core.thing:0.9.0.b5]
	at org.eclipse.smarthome.core.common.SafeMethodCaller.executeDirectly(SafeMethodCaller.java:218)[98:org.eclipse.smarthome.core:0.9.0.b5]
	... 12 more
19:57:21.041 [INFO ] [marthome.event.ItemStateChangedEvent] - Switch_Plug changed from ON to OFF