Cover Template with Casinos

Fatal error: Uncaught TypeError: spinoko_aff_link_open(): Argument #1 ($url) must be of type string, null given, called in /sites/wonderstruckeventdesign.com/wp-content/themes/spinoko/views/blocks/partials/casinos-line/option-1.php on line 26 and defined in /sites/wonderstruckeventdesign.com/wp-content/themes/spinoko/inc/functions/casino/affiliate-links.php:55 Stack trace: #0 /sites/wonderstruckeventdesign.com/wp-content/themes/spinoko/views/blocks/partials/casinos-line/option-1.php(26): spinoko_aff_link_open(NULL, '', '', 2342) #1 /sites/wonderstruckeventdesign.com/wp-content/themes/spinoko/inc/setup/layout-functions.php(16): include('/sites/wonderst...') #2 /sites/wonderstruckeventdesign.com/wp-content/themes/spinoko/views/parts/page-cover.php(37): include_partial('blocks/partials...', Array) #3 /sites/wonderstruckeventdesign.com/wp-includes/template.php(812): require('/sites/wonderst...') #4 /sites/wonderstruckeventdesign.com/wp-includes/template.php(745): load_template('/sites/wonderst...', false, Array) #5 /sites/wonderstruckeventdesign.com/wp-includes/general-template.php(206): locate_template(Array, true, false, Array) #6 /sites/wonderstruckeventdesign.com/wp-content/themes/spinoko/templates/page-cover.php(18): get_template_part('views/parts/pag...') #7 /sites/wonderstruckeventdesign.com/wp-includes/template-loader.php(106): include('/sites/wonderst...') #8 /sites/wonderstruckeventdesign.com/wp-blog-header.php(19): require_once('/sites/wonderst...') #9 /sites/wonderstruckeventdesign.com/index.php(17): require('/sites/wonderst...') #10 {main} thrown in /sites/wonderstruckeventdesign.com/wp-content/themes/spinoko/inc/functions/casino/affiliate-links.php on line 55