I've installed the WordPress plugin "AmR Users". Whenever I click on a report I get this error:
Fatal error: Class 'DateTimeZone' not found in /var/www/vhosts/d-mac.co.za/httpdocs/wp-content/plugins/amr-users/ameta-includes.php on line 592
Any ideas how I can fix this? I am using WordPress 3.0. It was showing the same error with WordPress 2.9.