Fatal error: Uncaught TypeError: sizeof(): Argument #1 ($value) must be of type Countable|array, null given in /home/fuzoku/www.fzkk.fuzoku.u-toyama.ac.jp/include/umclass_pc.php:154 Stack trace: #0 /home/fuzoku/www.fzkk.fuzoku.u-toyama.ac.jp/include/umclass_pc.php(47): UM->get_npsn_list() #1 /home/fuzoku/www.fzkk.fuzoku.u-toyama.ac.jp/public_html/index.php(33): UM->um_exec() #2 {main} thrown in /home/fuzoku/www.fzkk.fuzoku.u-toyama.ac.jp/include/umclass_pc.php on line 154