Please help us by providing the following info. Before posting please also check the pinned "Known issues" threads and make sure that you're running the latest available version for your oC release: https://owncloud.org/changelog/
Steps to reproduce
1. Log in as Administrator to oC server
2. Click the 'Users' link on the top right to see a list of all oC users and groups
Tell us what should happen
Clicking the 'Users' link should display a list of all users and groups associated with oC locally and from LDAP
Tell us what happens instead
The Users page loads without populating any users. The page seems to be loading but continues in a loop with error "Problem loading page, reloading in 5 seconds"
Operating system: Ubuntu Linux 14.04
ownCloud version (see ownCloud admin page): OwnCloud 9.1.0 RC1, Using LDAP
Updated from an older ownCloud or fresh install: Updated from older version (8.2) through each incremental update
Special configuration (external storage, external authentication, reverse proxy, server-side-encryption):
ownCloud log (data/owncloud.log)
Please paste possible errors in the following code block, see https://central.owncloud.org/t/how-to-find-webserver-or-oc-logfile-enable-php-logfile/808 for more info
Integrity status for oC9+
Login as admin user into your ownCloud and access http://example.com/index.php/settings/integrity/failed paste the results here.