java.util.concurrent.ExecutionException: java.lang.NullPointerException

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java.lang.NullPointerException
java.util.concurrent.ExecutionException: java.lang.NullPointerException
at org.eclipse.smarthome.model.rule.runtime.internal.engine.RuleContextHelper.getContext(RuleContextHelper.java:64)
at org.eclipse.smarthome.model.rule.runtime.internal.engine.RuleEngineImpl.executeRule(RuleEngineImpl.java:304)
at org.eclipse.smarthome.model.rule.runtime.internal.engine.RuleEngineImpl.executeRules(RuleEngineImpl.java:321)
at org.eclipse.smarthome.model.rule.runtime.internal.engine.RuleEngineImpl.receiveCommand(RuleEngineImpl.java:222)
at org.eclipse.smarthome.core.items.events.AbstractItemEventSubscriber.receive(AbstractItemEventSubscriber.java:46)
at org.eclipse.smarthome.core.internal.events.OSGiEventManager$1.call(OSGiEventManager.java:192)
at org.eclipse.smarthome.core.internal.events.OSGiEventManager$1.call(OSGiEventManager.java:1)
at org.eclipse.smarthome.core.common.SafeMethodCaller$CallableWrapper.call(SafeMethodCaller.java:170)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)

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