fatal error

Only when plugin event organizer is enabled we get this error

Fatal error: Uncaught Error: Class ‘WP_Term_Query’ not found in /home/kevenews/public_html/wp-includes/taxonomy.php:1142 Stack trace: #0 /home/kevenews/public_html/wp-includes/taxonomy.php(1706): get_terms(Array) #1 /home/kevenews/public_html/wp-content/plugins/event-organiser/includes/event-organiser-register.php(625): wp_count_terms(‘event-venue’) #2 /home/kevenews/public_html/wp-includes/class-wp-hook.php(287): _eventorganiser_upgrade_admin_notice(”) #3 /home/kevenews/public_html/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(”, Array) #4 /home/kevenews/public_html/wp-includes/plugin.php(478): WP_Hook->do_action(Array) #5 /home/kevenews/public_html/wp-admin/admin-header.php(281): do_action(‘admin_notices’) #6 /home/kevenews/public_html/wp-admin/plugins.php(486): require_once(‘/home/kevenews/…’) #7 {main} thrown in /home/kevenews/public_html/wp-includes/taxonomy.php on line 1142

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