Fatal error: During inheritance of IteratorAggregate: Uncaught ArgumentCountError: Too few arguments to function default_error_handler(), 4 passed in /home/platne/serwer79670/public_html/Moodle/lib/navigationlib.php on line 897 and exactly 5 expected in /home/platne/serwer79670/public_html/Moodle/lib/setuplib.php:425 Stack trace: #0 /home/platne/serwer79670/public_html/Moodle/lib/navigationlib.php(897): default_error_handler() #1 /home/platne/serwer79670/public_html/Moodle/lib/setup.php(610): require_once('...') #2 /home/platne/serwer79670/public_html/Moodle/config.php(27): require_once('...') #3 /home/platne/serwer79670/public_html/Moodle/index.php(30): require_once('...') #4 {main} in /home/platne/serwer79670/public_html/Moodle/lib/navigationlib.php on line 897