Fatal error: Uncaught TypeError: WP_Translation_Controller::set_locale(): Argument #1 ($locale) must be of type string, null given, called in /www/wwwroot/wordpress/wp-includes/l10n.php on line 804 and defined in /www/wwwroot/wordpress/wp-includes/l10n/class-wp-translation-controller.php:87
Stack trace:
#0 /www/wwwroot/wordpress/wp-includes/l10n.php(804): WP_Translation_Controller->set_locale()
#1 /www/wwwroot/wordpress/wp-includes/l10n.php(960): load_textdomain()
#2 /www/wwwroot/wordpress/wp-settings.php(704): load_default_textdomain()
#3 /www/wwwroot/wordpress/wp-config.php(105): require_once('...')
#4 /www/wwwroot/wordpress/wp-load.php(50): require_once('...')
#5 /www/wwwroot/wordpress/wp-blog-header.php(13): require_once('...')
#6 /www/wwwroot/wordpress/index.php(17): require('...')
#7 {main}
thrown in /www/wwwroot/wordpress/wp-includes/l10n/class-wp-translation-controller.php on line 87
Fatal error: Uncaught TypeError: WP_Translation_Controller::set_locale(): Argument #1 ($locale) must be of type string, null given, called in /www/wwwroot/wordpress/wp-includes/l10n.php on line 804 and defined in /www/wwwroot/wordpress/wp-includes/l10n/class-wp-translation-controller.php:87
Stack trace:
#0 /www/wwwroot/wordpress/wp-includes/l10n.php(804): WP_Translation_Controller->set_locale()
#1 /www/wwwroot/wordpress/wp-includes/l10n.php(960): load_textdomain()
#2 /www/wwwroot/wordpress/wp-includes/class-wp-fatal-error-handler.php(49): load_default_textdomain()
#3 [internal function]: WP_Fatal_Error_Handler->handle()
#4 {main}
thrown in /www/wwwroot/wordpress/wp-includes/l10n/class-wp-translation-controller.php on line 87