Fatal error: Uncaught TypeError: Cannot access offset of type string on string in /hosting/www/aulabadalona.cat/v2/libs/utils/class.System.php:199
Stack trace:
#0 /hosting/www/aulabadalona.cat/v2/llibres.php(23): System->sanitize()
#1 /hosting/www/aulabadalona.cat/v2/llibres.php(53): Controller->__construct()
#2 {main}
  thrown in /hosting/www/aulabadalona.cat/v2/libs/utils/class.System.php on line 199