Fatal error: Uncaught TypeError: usort(): Argument #1 ($array) must be of type array, null given in /var/www/speedypin/wp-content/themes/speedypin/functions.php:44 Stack trace: #0 /var/www/speedypin/wp-content/themes/speedypin/functions.php(44): usort() #1 /var/www/speedypin/wp-content/themes/speedypin/front-page.php(3): get_countries() #2 /var/www/speedypin/wp-includes/template-loader.php(106): include('...') #3 /var/www/speedypin/wp-blog-header.php(19): require_once('...') #4 /var/www/speedypin/index.php(17): require('...') #5 {main} thrown in /var/www/speedypin/wp-content/themes/speedypin/functions.php on line 44