Installed joget-enterprise-edition-v6 in linux.

After loggin in using cat user, I tried to use the Expenses Claims App. It throws the following error:

System Error

Sorry, an unintended error has occurred. Please contact support with the following information:

• Version: 6.0.1 - build c9435c4
• URL: /jw/web/embed/userview/expenseclaim/dashboard/_/myin
• Date: 20 Jan 2018 15:48:54
• Description of the steps needed to reproduce the issue
• Copy of the relevant log files which are stored in the logs directory
• Screenshot(s) showing the problem if possible
• Sample app that produces the issue if possible

Tomcat Log:

ERROR 20 Jan 2018 15:49:23 org.joget.plugin.base.PluginManager  - freemarker.template.TemplateModelException: get(menu) failed on instance of org.joget.apps.userview.model.CachedUserviewMenu

get(menu) failed on instance of org.joget.apps.userview.model.CachedUserviewMenu

The problematic instruction:

----------

==> ${menu.menu} [on line 48, column 37 in templates/userview/menus.ftl]

 How to resolve this?