Warning: Trying to access array offset on value of type null in /var/www/html/viewplaylist.php on line 10

Warning: Only the first byte will be assigned to the string offset in /var/www/html/viewplaylist.php on line 13

Fatal error: Uncaught TypeError: Cannot access offset of type string on string in /var/www/html/viewplaylist.php:13 Stack trace: #0 {main} thrown in /var/www/html/viewplaylist.php on line 13