Java error: Could not execute action (webwork.dispatcher)

10-sep-2003 12:39:24 org.enhydra.jdbc.util.Logger info
INFO: GenericPool:cleanUp done min=2 max=50 count=2
10-sep-2003 12:41:45 webwork.dispatcher.ServletDispatcher service
SEVERE: Could not execute action
java.lang.NullPointerException
at com.atlassian.jira.web.action.issue.EditIssue.doDefault(EditIssue.jav
a:61)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at webwork.action.ActionSupport.invokeCommand(ActionSupport.java:413)
at webwork.action.ActionSupport.execute(ActionSupport.java:142)
at com.atlassian.jira.action.JiraActionSupport.execute(JiraActionSupport
.java:44)
at webwork.dispatcher.GenericDispatcher.executeAction(GenericDispatcher.
java:131)