Fatal error: Uncaught TypeError: array_merge(): Argument #2 must be of type array, string given in /usr/www/users/leeuwpavht/wp-content/themes/thegem/page-shop.php:9 Stack trace: #0 /usr/www/users/leeuwpavht/wp-content/themes/thegem/page-shop.php(9): array_merge(Array, '') #1 /usr/www/users/leeuwpavht/wp-includes/template-loader.php(106): include('/usr/www/users/...') #2 /usr/www/users/leeuwpavht/wp-blog-header.php(19): require_once('/usr/www/users/...') #3 /usr/www/users/leeuwpavht/index.php(17): require('/usr/www/users/...') #4 {main} thrown in /usr/www/users/leeuwpavht/wp-content/themes/thegem/page-shop.php on line 9