<br />
<b>Fatal error</b>:  Uncaught TypeError: join(): Argument #2 ($array) must be of type ?array, string given in /homec/demowhmp/public_html/cart/wp-content/plugins/whmpress_whmcs_cart/inc/external/domain_fields.php:244
Stack trace:
#0 /homec/demowhmp/public_html/cart/wp-content/plugins/whmpress_whmcs_cart/inc/external/domain_fields.php(244): join(Array, ',')
#1 /homec/demowhmp/public_html/cart/wp-content/plugins/whmpress_whmcs_cart/whmpress_whmcs_cart.php(43): require_once('/homec/demowhmp...')
#2 /homec/demowhmp/public_html/cart/wp-settings.php(371): include_once('/homec/demowhmp...')
#3 /homec/demowhmp/public_html/cart/wp-config.php(77): require_once('/homec/demowhmp...')
#4 /homec/demowhmp/public_html/cart/wp-load.php(37): require_once('/homec/demowhmp...')
#5 /homec/demowhmp/public_html/cart/wp-blog-header.php(13): require_once('/homec/demowhmp...')
#6 /homec/demowhmp/public_html/cart/index.php(17): require('/homec/demowhmp...')
#7 {main}
  thrown in <b>/homec/demowhmp/public_html/cart/wp-content/plugins/whmpress_whmcs_cart/inc/external/domain_fields.php</b> on line <b>244</b><br />