Fatal error: Uncaught Error: Attempt to modify property "props" on null in C:\Websites\WebShop\ext\less\lessc.inc.php:3491 Stack trace: #0 C:\Websites\WebShop\ext\less\lessc.inc.php(2439): lessc_parser->append() #1 C:\Websites\WebShop\ext\less\lessc.inc.php(2270): lessc_parser->parseChunk() #2 C:\Websites\WebShop\ext\less\lessc.inc.php(1795): lessc_parser->parse() #3 C:\Websites\WebShop\ext\less\lessc.inc.php(1830): lessc->compile() #4 C:\Websites\WebShop\engine\classes\Display.php(748): lessc->compileFile() #5 C:\Websites\WebShop\engine\classes\Display.php(718): Engine\Classes\DisplayBase::generateCssFromLess() #6 C:\Websites\WebShop\engine\classes\Display.php(514): Engine\Classes\DisplayBase::generateCssFromLessFiles() #7 C:\Websites\WebShop\engine\layouts\html_layout.php(82): Engine\Classes\DisplayBase::IncludeScripts() #8 C:\Websites\WebShop\engine\classes\Route.php(374): include_once('...') #9 C:\Websites\WebShop\engine\classes\Engine.php(245): Engine\Classes\RouteBase->setRoute() #10 C:\Websites\WebShop\engine\startEngine.php(20): Engine::Init() #11 C:\Websites\WebShop\site\index.php(5): include_once('...') #12 {main} thrown in C:\Websites\WebShop\ext\less\lessc.inc.php on line 3491