Fatal error: Uncaught TypeError: strtoupper(): Argument #1 ($string) must be of type string, array given in /var/www/vhosts/swimfunky.nl/httpdocs/web/modules/shop/classes/filters/FilterSnitSize.class.php:24 Stack trace: #0 /var/www/vhosts/swimfunky.nl/httpdocs/web/modules/shop/classes/filters/FilterSnitSize.class.php(24): strtoupper() #1 /var/www/vhosts/swimfunky.nl/httpdocs/web/modules/shop/front/view/filters/view.list.php(122): FilterSnitSize->getDisplayTextByID() #2 /var/www/vhosts/swimfunky.nl/httpdocs/web/modules/shop/front/ctrl/ctrl.shop.php(160): include('...') #3 /var/www/vhosts/swimfunky.nl/httpdocs/web/modules/shop/front/index.php(142): include_once('...') #4 /var/www/vhosts/swimfunky.nl/httpdocs/web/library/functions.php(672): include('...') #5 /var/www/vhosts/swimfunky.nl/httpdocs/web/templates/pages/shop/index.php(117): insertPageModule() #6 /var/www/vhosts/swimfunky.nl/httpdocs/web/library/functions.php(600): include('...') #7 /var/www/vhosts/swimfunky.nl/httpdocs/web/templates/website/hunky/index.php(67): insertPages() #8 /var/www/vhosts/swimfunky.nl/httpdocs/web/index.php(691): include('...') #9 {main} thrown in /var/www/vhosts/swimfunky.nl/httpdocs/web/modules/shop/classes/filters/FilterSnitSize.class.php on line 24