Internal Server Error in Application links after ugrading crowd to 4.30 what can we do to fix this?

[Karina Green]

HTTP Status 500 – Internal Server Error

Type Exception Report

Message org.apache.velocity.exception.MethodInvocationException: Invocation of method 'getOrphanedTrustCertificates' in class com.atlassian.applinks.ui.velocity.ListApplicationLinksContext threw exception java.lang.NullPointerException at com/atlassian/applinks/ui/admin/common_header.vm[line 7, column 20]

Description The server encountered an unexpected condition that prevented it from fulfilling the request.

Exception

com.atlassian.templaterenderer.RenderingException: org.apache.velocity.exception.MethodInvocationException: Invocation of method 'getOrphanedTrustCertificates' in  class com.atlassian.applinks.ui.velocity.ListApplicationLinksContext threw exception java.lang.NullPointerException at com/atlassian/applinks/ui/admin/common_header.vm[line 7, column 20]
	com.atlassian.templaterenderer.velocity.one.six.internal.VelocityTemplateRendererImpl.render(VelocityTemplateRendererImpl.java:114)
	sun.reflect.GeneratedMethodAccessor838.invoke(Unknown Source)
	sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

Root Cause

org.apache.velocity.exception.MethodInvocationException: Invocation of method 'getOrphanedTrustCertificates' in  class com.atlassian.applinks.ui.velocity.ListApplicationLinksContext threw exception java.lang.NullPointerException at com/atlassian/applinks/ui/admin/common_header.vm[line 7, column 20]
	org.apache.velocity.runtime.parser.node.ASTIdentifier.execute(ASTIdentifier.java:228)

Any help with this would be appreciated.