Warning: include(/var/www/html/wp-content/plugins/sitepress-multilingual-cms/vendor/composer/../../classes/language/Detection/CookieLanguage.php): Failed to open stream: No such file or directory in /var/www/html/wp-content/plugins/sitepress-multilingual-cms/vendor/composer/ClassLoader.php on line 571

Warning: include(): Failed opening '/var/www/html/wp-content/plugins/sitepress-multilingual-cms/vendor/composer/../../classes/language/Detection/CookieLanguage.php' for inclusion (include_path='.:/usr/local/lib/php') in /var/www/html/wp-content/plugins/sitepress-multilingual-cms/vendor/composer/ClassLoader.php on line 571

Fatal error: Uncaught Error: Class "WPML\Language\Detection\CookieLanguage" not found in /var/www/html/wp-content/plugins/sitepress-multilingual-cms/inc/wpml_load_request_handler.php:18
Stack trace:
#0 /var/www/html/wp-content/plugins/sitepress-multilingual-cms/sitepress.php(339): wpml_load_request_handler(false, Array, 'fr')
#1 /var/www/html/wp-settings.php(560): include_once('/var/www/html/w...')
#2 /var/www/html/wp-config.php(139): require_once('/var/www/html/w...')
#3 /var/www/html/wp-load.php(50): require_once('/var/www/html/w...')
#4 /var/www/html/wp-blog-header.php(13): require_once('/var/www/html/w...')
#5 /var/www/html/index.php(17): require('/var/www/html/w...')
#6 {main}
  thrown in /var/www/html/wp-content/plugins/sitepress-multilingual-cms/inc/wpml_load_request_handler.php on line 18

Fatal error: Uncaught Error: Call to a member function get_requested_lang() on null in /var/www/html/wp-content/plugins/sitepress-multilingual-cms/sitepress.class.php:1175
Stack trace:
#0 /var/www/html/wp-content/plugins/sitepress-multilingual-cms/classes/utilities/class-wpml-locale.php(106): SitePress->get_current_language()
#1 /var/www/html/wp-content/plugins/sitepress-multilingual-cms/sitepress.class.php(3524): WPML_Locale->locale()
#2 /var/www/html/wp-includes/class-wp-hook.php(341): SitePress->locale_filter('en_US')
#3 /var/www/html/wp-includes/plugin.php(205): WP_Hook->apply_filters('en_US', Array)
#4 /var/www/html/wp-includes/l10n.php(80): apply_filters('locale', 'en_US')
#5 /var/www/html/wp-includes/l10n.php(166): get_locale()
#6 /var/www/html/wp-includes/l10n.php(954): determine_locale()
#7 /var/www/html/wp-includes/class-wp-fatal-error-handler.php(49): load_default_textdomain()
#8 [internal function]: WP_Fatal_Error_Handler->handle()
#9 {main}
  thrown in /var/www/html/wp-content/plugins/sitepress-multilingual-cms/sitepress.class.php on line 1175