Fatal error: Uncaught Error: get_code_by_slug(): Argument #1 ($slug) must be of type string, null given, called in /mnt/disks/disk-1/html/DocumentRoot/wp-content/themes/delion-official-two/template-parts/s-content-cpt-area.php on line 45
in /mnt/disks/disk-1/html/DocumentRoot/wp-content/themes/delion-official-two/functions/custom_functions.php on line 9

Call stack:

1. get_code_by_slug()
   wp-content/themes/delion-official-two/template-parts/s-content-cpt-area.php:45
2. include('/mnt/disks/disk-1/ht...content-cpt-area.php')
   wp-content/themes/delion-official-two/single.php:41
3. include('/mnt/disks/disk-1/ht...icial-two/single.php')
   wp-includes/template-loader.php:106
4. require_once('/mnt/disks/disk-1/ht.../template-loader.php')
   wp-blog-header.php:19
5. require('/mnt/disks/disk-1/ht...t/wp-blog-header.php')
   index.php:17