all tear_down
		// discard all collected data
		QM_Collectors::cease();

		// remove dispatchers or prevent them from doing anything
		QM_Dispatchers::cease();
	}

	/**
	 * @param string $file
	 * @return self
	 */
	public static function init( $file = null ) {

		static $instance = null;

		if ( ! $instance ) {
			$instance = new QueryMonitor( $file );
		}

		return $instance;

	}

}
<br />
<b>Fatal error</b>:  Uncaught Error: Class 'QueryMonitor' not found in /home/mrfilame/public_html/wp-content/plugins/query-monitor/query-monitor.php:93
Stack trace:
#0 /home/mrfilame/public_html/wp-settings.php(428): include_once()
#1 /home/mrfilame/public_html/wp-config.php(96): require_once('/home/mrfilame/...')
#2 /home/mrfilame/public_html/wp-load.php(50): require_once('/home/mrfilame/...')
#3 /home/mrfilame/public_html/wp-blog-header.php(13): require_once('/home/mrfilame/...')
#4 /home/mrfilame/public_html/index.php(17): require('/home/mrfilame/...')
#5 {main}
  thrown in <b>/home/mrfilame/public_html/wp-content/plugins/query-monitor/query-monitor.php</b> on line <b>93</b><br />