ERROR [2] Undefined array key 0

  Fatal error in line 173 of file /var/www/vhosts/villaohara.it/httpdocs/classes/c_mw_database.php, PHP 8.0.30 (Linux)

This is the debug trace



Warning:  foreach() argument must be of type array|object, string given in /var/www/vhosts/villaohara.it/httpdocs/lib/mw_error_handler.php on line 26

Error: "Undefined array key 0" (error #2).
Backtrace:
  0: myErrorHandler (line 173 in /var/www/vhosts/villaohara.it/httpdocs/classes/c_mw_database.php)
  1: fetchArrayWeb (line 26 in /var/www/vhosts/villaohara.it/httpdocs/classes/c_core_page.php)
  2: __construct (line 19 in /var/www/vhosts/villaohara.it/httpdocs/index.php)
Variables in myErrorHandler ():
Client IP: 18.222.119.148
Aborting...