Fatal error: During inheritance of IteratorAggregate: Uncaught ArgumentCountError: Too few arguments to function default_error_handler(), 4 passed in /www/doc/www.flyczech.eu/www/pilot/lib/navigationlib.php on line 897 and exactly 5 expected in /www/doc/www.flyczech.eu/www/pilot/lib/setuplib.php:421 Stack trace: #0 /www/doc/www.flyczech.eu/www/pilot/lib/navigationlib.php(897): default_error_handler(8192, 'Return type of ...', '/www/doc/www.fl...', 1142) #1 /www/doc/www.flyczech.eu/www/pilot/lib/setup.php(599): require_once('/www/doc/www.fl...') #2 /www/doc/www.flyczech.eu/www/pilot/config.php(27): require_once('/www/doc/www.fl...') #3 /www/doc/www.flyczech.eu/www/pilot/index.php(30): require_once('/www/doc/www.fl...') #4 {main} in /www/doc/www.flyczech.eu/www/pilot/lib/navigationlib.php on line 897