ERROR [2] Undefined variable $gNum
Fatal error in line 231 of file /var/www/vhosts/moving.it/httpdocs/template_prodotto.php, PHP 8.0.30 (Linux)
This is the debug trace

Fatal error: Uncaught Error: Cannot unset string offsets in /var/www/vhosts/moving.it/httpdocs/inc/inc_error_handler.php:15 Stack trace: #0 /var/www/vhosts/moving.it/httpdocs/inc/inc_error_handler.php(67): backTrace() #1 /var/www/vhosts/moving.it/httpdocs/inc/inc_error_handler.php(87): print_debug_info() #2 /var/www/vhosts/moving.it/httpdocs/template_prodotto.php(231): myErrorHandler() #3 {main} thrown in /var/www/vhosts/moving.it/httpdocs/inc/inc_error_handler.php on line 15