Warning: Undefined array key 0 in /home/ntakeshi/www/session/schedule_single.php on line 23

Warning: Trying to access array offset on null in /home/ntakeshi/www/session/schedule_single.php on line 23

Warning: Undefined array key 0 in /home/ntakeshi/www/session/schedule_single.php on line 25

Warning: Trying to access array offset on null in /home/ntakeshi/www/session/schedule_single.php on line 25

Deprecated: substr(): Passing null to parameter #1 ($string) of type string is deprecated in /home/ntakeshi/www/session/schedule_single.php on line 25

Fatal error: Uncaught TypeError: abs(): Argument #1 ($num) must be of type int|float, string given in /home/ntakeshi/www/session/schedule_single.php:25 Stack trace: #0 /home/ntakeshi/www/session/schedule_single.php(25): abs() #1 {main} thrown in /home/ntakeshi/www/session/schedule_single.php on line 25