ERROR [8] Undefined index: lng

  Fatal error in line 20 of file /var/www/vhosts/lastminutelignano.com/httpdocs/contatti.php, PHP 7.4.33 (Linux)

This is the debug trace



Notice:  Array to string conversion in /var/lib/security/lm_portali/backoffice/inc_error_handler.php on line 49



Notice:  Array to string conversion in /var/lib/security/lm_portali/backoffice/inc_error_handler.php on line 49



Notice:  Array to string conversion in /var/lib/security/lm_portali/backoffice/inc_error_handler.php on line 49



Fatal error:  Uncaught Error: Object of class mysqli could not be converted to string in /var/lib/security/lm_portali/backoffice/inc_error_handler.php:49
Stack trace:
#0 /var/lib/security/lm_portali/backoffice/inc_error_handler.php(65): backTrace()
#1 /var/lib/security/lm_portali/backoffice/inc_error_handler.php(83): print_debug_info()
#2 /var/www/vhosts/lastminutelignano.com/httpdocs/contatti.php(20): myErrorHandler()
#3 {main}
  thrown in /var/lib/security/lm_portali/backoffice/inc_error_handler.php on line 49