Fatal error: Uncaught TypeError: Unsupported operand types: string - string in /home/veerleverbakel/public_html/wp-content/themes/vv-gallery/template-parts/content-shows.php:47 Stack trace: #0 [internal function]: sortByOrder(Array, Array) #1 /home/veerleverbakel/public_html/wp-content/themes/vv-gallery/template-parts/content-shows.php(50): usort(Array, 'sortByOrder') #2 /home/veerleverbakel/public_html/wp-includes/template.php(812): require('/home/veerlever...') #3 /home/veerleverbakel/public_html/wp-includes/template.php(745): load_template('/home/veerlever...', false, Array) #4 /home/veerleverbakel/public_html/wp-includes/general-template.php(206): locate_template(Array, true, false, Array) #5 /home/veerleverbakel/public_html/wp-content/themes/vv-gallery/shows.php(14): get_template_part('template-parts/...', 'shows') #6 /home/veerleverbakel/public_html/wp-includes/template-loader.php(106): include('/home/veerlever...') #7 /home/veerleverbakel/public_html/wp-blog-header.php(19): require_once('/home/veerlever...') #8 /home/veerleverbakel/public_html/index.php(17): require('/home/veerlever...') #9 {main} thrown in /home/veerleverbakel/public_html/wp-content/themes/vv-gallery/template-parts/content-shows.php on line 47