Fatal error: Uncaught ArgumentCountError: Too few arguments to function get_concerts(), 0 passed in /var/www/gudbrandsfest-dev/wp-content/themes/Divi-child/single-artist.php on line 51 and exactly 1 expected in /var/www/gudbrandsfest-dev/wp-content/themes/Divi-child/marius_functions.php:66 Stack trace: #0 /var/www/gudbrandsfest-dev/wp-content/themes/Divi-child/single-artist.php(51): get_concerts() #1 /var/www/gudbrandsfest-dev/wp-includes/template-loader.php(106): include('/var/www/gudbra...') #2 /var/www/gudbrandsfest-dev/wp-blog-header.php(19): require_once('/var/www/gudbra...') #3 /var/www/gudbrandsfest-dev/index.php(17): require('/var/www/gudbra...') #4 {main} thrown in /var/www/gudbrandsfest-dev/wp-content/themes/Divi-child/marius_functions.php on line 66