Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /home/inspot/hermosoacademy/www/daegu/03_community/referenceRoom_list.php:51
Stack trace:
#0 {main}
thrown in /home/inspot/hermosoacademy/www/daegu/03_community/referenceRoom_list.php on line 51