NPE when viewing the tab of a issue if it was deleted before

Have two different sessions viewing the same issue. Delete the issue from one of the sessions and click on any tab (Activity, History, Reviews, etc) from the other sessions.
A NPE is shown in the screen.

java.lang.NullPointerException

java.lang.NullPointerException
at com.atlassian.jira.plugin.issuenav.IssueNavAction.doTabContent(IssueNavAction.java:668)
at com.atlassian.jira.plugin.issuenav.IssueNavAction.doDefault(IssueNavAction.java:251)
at sun.reflect.GeneratedMethodAccessor1546.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at webwork.util.InjectionUtils$DefaultInjectionImpl.invoke(InjectionUtils.java:70)
at webwork.util.InjectionUtils.invoke(InjectionUtils.java:56)
at webwork.action.ActionSupport.invokeCommand(ActionSupport.java:438)
at webwork.action.ActionSupport.execute(ActionSupport.java:157)
at com.atlassian.jira.action.JiraActionSupport.execute(JiraActionSupport.java:88)
at webwork.interceptor.DefaultInterceptorChain.proceed(DefaultInterceptorChain.java:39)
at webwork.interceptor.NestedInterceptorChain.proceed(NestedInterceptorChain.java:31)
at webwork.interceptor.ChainedInterceptor.intercept(ChainedInterceptor.java:16)