org.apache.velocity.exception.MethodInvocationException: Invocation of method 'displayAdminLink' in class de.iteconomics.confluence.techradar.TechRadarAction threw exception java.lang.NullPointerException at /templates/techradar.vm[line 14, column 63]
at org.apache.velocity.runtime.parser.node.ASTMethod.handleInvocationException(ASTMethod.java:337)
caused by: java.lang.NullPointerException
at com.atlassian.crowd.embedded.atlassianuser.EmbeddedCrowdGroupManager$Queries.groupsForUser(EmbeddedCrowdGroupManager.java:265)
This looks like a permissions problem, have you checked the app's documentation to see how it should be set up?
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