This appears to have been a problem with some conflicts coming from the Service Rocket Scaffolding plugin. There is an Atlassian KB article – Confluence Macro Usage page throws Page Not Found error. Additionally, from Service Rocket, this was supposed to have been fixed in the Scaffolding release 8.7.0 – Scaffolding 8.7.0 has been released.
We have the same issue too on Confluence 5.10! I can see that the Confluence Macro Usage add-on is installed and enabled.
Here's what we see in the logs:
2016-08-02 14:34:45,055 ERROR [http-nio-6189-exec-8] [atlassian.confluence.servlet.ConfluenceServletDispatcher] serviceAction There is no Action mapped for namespace /admin and action name pluginusage -- url: /kb/admin/pluginusage.action | traceId: 57e02c7fa0613d1f | userName: hmuth
Do you use templates with Confluence? Take part in a remote 1-hr workshop. You'll receive USD $100 for your time! We're looking for people to participate in a remote 1-hr workshop...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
You're one step closer to meeting fellow Atlassian users at your local meet up. Learn more about AUGs