All about SSC
Fatal error: Uncaught Error: in_array(): Argument #2 ($haystack) must be of type array, bool given
in /mnt/web006/d0/10/52591910/htdocs/cc/wp-content/themes/ccb_head/inc/multisite.php on line 157
Call stack:
in_array()
wp-content/themes/ccb_head/inc/multisite.php:157multisite::mu_blog_prefixes()
wp-content/themes/ccb_head/inc/multisite.php:225multisite::mu_posts()
wp-content/themes/ccb_head/mu-tags.php:30include()
wp-includes/template-loader.php:106require_once()
wp-blog-header.php:19require()
index.php:17