Warning: include_once(./vendor/autoload.php): failed to open stream: No such file or directory in /var/www/html/lib/TemplateUtility.php on line 38

Warning: include_once(): Failed opening './vendor/autoload.php' for inclusion (include_path='.:/usr/local/lib/php') in /var/www/html/lib/TemplateUtility.php on line 38

Warning: session_start(): Cannot start session when headers already sent in /var/www/html/index.php on line 75

Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/lib/TemplateUtility.php:38) in /var/www/html/index.php on line 78

Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/lib/TemplateUtility.php:38) in /var/www/html/index.php on line 79

Warning: require(./vendor/autoload.php): failed to open stream: No such file or directory in /var/www/html/lib/Mailer.php on line 43

Fatal error: require(): Failed opening required './vendor/autoload.php' (include_path='.:/usr/local/lib/php') in /var/www/html/lib/Mailer.php on line 43