Exception class: Error()

Call to undefined function open()


Backtrace:

#0 /var/www/html/system/functions.php(978): eval()
#1 /var/www/html/system/init.php(76): load_config_lua()
#2 /var/www/html/index.php(193): require_once('/var/www/html/s...')
#3 {main}