Fatal error: Uncaught TypeError: Argument 1 passed to hasWebpVersion() must be of the type string, null given, called in /var/www/www.anderlecht-online.be/article.php on line 200 and defined in /var/www/www.anderlecht-online.be/inc_tools.php:1102 Stack trace: #0 /var/www/www.anderlecht-online.be/article.php(200): hasWebpVersion() #1 {main} thrown in /var/www/www.anderlecht-online.be/inc_tools.php on line 1102