Fatal error: Uncaught TypeError: Argument 1 passed to WP_Translation_Controller::set_locale() must be of the type string, null given, called in /home/balcanto/public_html/wp-includes/l10n.php on line 803 and defined in /home/balcanto/public_html/wp-includes/l10n/class-wp-translation-controller.php:87 Stack trace: #0 /home/balcanto/public_html/wp-includes/l10n.php(803): WP_Translation_Controller->set_locale(NULL) #1 /home/balcanto/public_html/wp-includes/l10n.php(1015): load_textdomain('user-photo', '/home/balcanto/...', NULL) #2 /home/balcanto/public_html/wp-content/plugins/user-photo/user-photo.php(80): load_plugin_textdomain('user-photo', false, 'user-photo/loca...') #3 /home/balcanto/public_html/wp-settings.php(522): include_once('/home/balcanto/...') #4 /home/balcanto/public_html/wp-config.php(93): require_once('/home/balcanto/...') #5 /home/balcanto/public_html/wp-load.php(50): require_once('/home/balcanto/...') #6 /home/balcanto/public_html/wp-blog-header.php(13): require_once('/home/balcanto/...') #7 /home/balcanto in /home/balcanto/public_html/wp-includes/l10n/class-wp-translation-controller.php on line 87

Fatal error: Uncaught TypeError: Argument 1 passed to WP_Translation_Controller::set_locale() must be of the type string, null given, called in /home/balcanto/public_html/wp-includes/l10n.php on line 803 and defined in /home/balcanto/public_html/wp-includes/l10n/class-wp-translation-controller.php:87 Stack trace: #0 /home/balcanto/public_html/wp-includes/l10n.php(803): WP_Translation_Controller->set_locale(NULL) #1 /home/balcanto/public_html/wp-includes/l10n.php(959): load_textdomain('default', '/home/balcanto/...', NULL) #2 /home/balcanto/public_html/wp-includes/class-wp-fatal-error-handler.php(49): load_default_textdomain() #3 [internal function]: WP_Fatal_Error_Handler->handle() #4 {main} thrown in /home/balcanto/public_html/wp-includes/l10n/class-wp-translation-controller.php on line 87