Fatal error: During inheritance of IteratorAggregate: Uncaught ArgumentCountError: Too few arguments to function default_error_handler(), 4 passed in /usr/www/users/knowbzfuxy/hs.knowbrainer.org/lib/navigationlib.php on line 846 and exactly 5 expected in /usr/www/users/knowbzfuxy/hs.knowbrainer.org/lib/setuplib.php:409 Stack trace: #0 /usr/www/users/knowbzfuxy/hs.knowbrainer.org/lib/navigationlib.php(846): default_error_handler(8192, 'Return type of ...', '/usr/www/users/...', 1067) #1 /usr/www/users/knowbzfuxy/hs.knowbrainer.org/lib/setup.php(600): require_once('/usr/www/users/...') #2 /usr/www/users/knowbzfuxy/hs.knowbrainer.org/config.php(27): require_once('/usr/www/users/...') #3 /usr/www/users/knowbzfuxy/hs.knowbrainer.org/index.php(30): require_once('/usr/www/users/...') #4 {main} in /usr/www/users/knowbzfuxy/hs.knowbrainer.org/lib/navigationlib.php on line 846