Fatal error: Uncaught Error: Call to undefined function trailingslashit() in /htdocs/wordpress/wp-includes/class-wp-textdomain-registry.php:103 Stack trace: #0 /htdocs/wordpress/wp-includes/l10n.php(784): WP_Textdomain_Registry->set('default', 'fr_FR', '/htdocs/wordpre...') #1 /htdocs/wordpress/wp-includes/load.php(1401): load_textdomain('default', '/htdocs/wordpre...', 'fr_FR') #2 /htdocs/wordpress/wp-includes/load.php(278): wp_load_translations_early() #3 /htdocs/wordpress/wp-settings.php(74): wp_maintenance() #4 /htdocs/wordpress/wp-config.php(89): require_once('/htdocs/wordpre...') #5 /htdocs/wordpress/wp-load.php(50): require_once('/htdocs/wordpre...') #6 /htdocs/wordpress/wp-blog-header.php(13): require_once('/htdocs/wordpre...') #7 /htdocs/index.php(17): require('/htdocs/wordpre...') #8 {main} thrown in /htdocs/wordpress/wp-includes/class-wp-textdomain-registry.php on line 103