Fatal error: Uncaught TypeError: getAuthorProfile(): Argument #2 ($name) must be of type string, null given, called in /var/www/html/quotesearch/index.php on line 484 and defined in /var/www/html/quotesearch/includes/author-helpers.php:19 Stack trace: #0 /var/www/html/quotesearch/index.php(484): getAuthorProfile() #1 {main} thrown in /var/www/html/quotesearch/includes/author-helpers.php on line 19