Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /home/fuzoku/fuzoku-jhs.edu.u-toyama.ac.jp/include/umclass_pc.php:347
Stack trace:
#0 /home/fuzoku/fuzoku-jhs.edu.u-toyama.ac.jp/include/umclass_pc.php(60): UM->get_npsn_list()
#1 /home/fuzoku/fuzoku-jhs.edu.u-toyama.ac.jp/public_html/index.php(37): UM->um_exec()
#2 {main}
thrown in /home/fuzoku/fuzoku-jhs.edu.u-toyama.ac.jp/include/umclass_pc.php on line 347