Warning: Trying to access array offset on value of type bool in /var/www/html/theme/rb.basic/head.sub.php on line 74

Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /var/www/html/theme/rb.basic/head.sub.php:74 Stack trace: #0 /var/www/html/head.sub.php(7): require_once() #1 /var/www/html/bbs/board.php(173): include_once('/var/www/html/h...') #2 {main} thrown in /var/www/html/theme/rb.basic/head.sub.php on line 74