The current plugin does not fully support Moodle 3.0
Deprecated local plugin navigation callback: Please rename 'local_userenrols_extends_settings_navigation' to 'local_userenrols_extend_settings_navigation'. Support for the old callback will be dropped in Moodle 3.1
line 4801 of /lib/navigationlib.php: call to debugging()
line 3525 of /lib/navigationlib.php: call to settings_navigation->load_local_plugin_settings()
line 719 of /lib/pagelib.php: call to settings_navigation->initialise()
line 768 of /lib/pagelib.php: call to moodle_page->magic_get_settingsnav()
line 6865 of /lib/adminlib.php: call to moodle_page->__get()
line 12 of /admin/modules.php: call to admin_externalpage_setup()