Fatal error: Uncaught TypeError: trim(): Argument #1 ($string) must be of type string, null given in /var/www/production/api4/demucs_create.php:31 Stack trace: #0 /var/www/production/api4/demucs_create.php(31): trim() #1 {main} thrown in /var/www/production/api4/demucs_create.php on line 31