java.lang.NullPointerException: Cannot get property 'fullName' on null object
	at org.codehaus.groovy.runtime.NullObject.getProperty(NullObject.java:60)
	at org.codehaus.groovy.runtime.InvokerHelper.getProperty(InvokerHelper.java:174)
	at org.codehaus.groovy.runtime.callsite.NullCallSite.getProperty(NullCallSite.java:47)
	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callGetProperty(AbstractCallSite.java:296)
	at com.ceilfors.jenkins.plugins.jiratrigger.JiraTrigger$JiraTriggerDescriptor.removeTrigger(JiraTrigger.groovy:146)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite$PogoCachedMethodSiteNoUnwrapNoCoerce.invoke(PogoMetaMethodSite.java:210)
	at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite.call(PogoMetaMethodSite.java:71)
	at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:48)
	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:113)
	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:125)
	at com.ceilfors.jenkins.plugins.jiratrigger.JiraTrigger.stop(JiraTrigger.groovy:74)
	at org.jenkinsci.plugins.workflow.job.properties.PipelineTriggersJobProperty.stopTriggers(PipelineTriggersJobProperty.java:97)
	at org.jenkinsci.plugins.workflow.job.WorkflowJob.removeProperty(WorkflowJob.java:508)
	at org.jenkinsci.plugins.workflow.job.properties.PipelineTriggersJobProperty.reconfigure(PipelineTriggersJobProperty.java:154)
	at org.jenkinsci.plugins.workflow.job.properties.PipelineTriggersJobProperty.reconfigure(PipelineTriggersJobProperty.java:55)
	at hudson.util.DescribableList.rebuild(DescribableList.java:175)
	at hudson.model.Job.doConfigSubmit(Job.java:1235)