While viewing one page under the space getting system error and its working fine for other pages under the same space?

Question

The error i had pasted below which i am getting.

my version is confluence (5.5.2) for this page we are using one plugin i.e tracking plugin

A system error has occurred — our apologies!

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java.lang.RuntimeException: Error rendering template for decorator root
    at com.atlassian.confluence.setup.velocity.ApplyDecoratorDirective.render(ApplyDecoratorDirective.java:191)

caused by: java.lang.RuntimeException: Error rendering template for decorator page
    at com.atlassian.confluence.setup.velocity.ApplyDecoratorDirective.render(ApplyDecoratorDirective.java:191)

caused by: org.apache.velocity.exception.MethodInvocationException: Invocation of method 'getWebInterfaceContext' in class com.comalatech.confluence.workflow.actions.ViewPageAction28 threw exception net.sf.hibernate.LazyInitializationException: Failed to lazily initialize a collection at template/includes/menu-macros.vm[line 130, column 92]
    at org.apache.velocity.runtime.parser.node.ASTIdentifier.execute(ASTIdentifier.java:223)

caused by: net.sf.hibernate.LazyInitializationException: Failed to lazily initialize a collection
    at net.sf.hibernate.collection.PersistentCollection.initialize(PersistentCollection.java:201)

caused by: net.sf.hibernate.HibernateException: collection was evicted
    at net.sf.hibernate.impl.SessionImpl.initializeCollection(SessionImpl.java:3320)

Giuliano C. · Answer

In case of not having success to uninstall the add-on or if the issue persist, try to check if you have customisations for this space, affecting only this page. You can see that in *_Confluence Admin > Look and Feel_* and verify the following:

a) Themes: See which theme you're using, switch back to the default if you're not using it already.
 b) Layouts: See if you have any custom layout defined, if yes then make a backup and reset to default.
 c) Stylesheet: See if you have custom stylesheet, if yes then make a backup and reset to default.
 d) Custom HTML: See if you have any custom HTML defined, if yes then reset to default.

Cheers,

Giuliano

Nic Brough -Adaptavist- · Answer

Well, you're not using "just one plugin" - you've got the Comalatech Workflow addon installed and that's failing for some reason.  Check the version of that addon to make sure it's good for your version of Cnfluence