I recommend to reindex the instance as Guilherme stated above. In case this doesn't work, the reindex probably failed (usually can be low free memory) or something else is going on. I recommend to check the latest Atlassian-confluence.log in search of indexing related issues. If you need help investigating this case, you can open a support case to Atlassian so the support engineers will help with this issue.
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