Fatal error: During inheritance of IteratorAggregate: Uncaught ArgumentCountError: Too few arguments to function default_error_handler(), 4 passed in /home/clients/e56dc0434b5fe9d5359e3e2cbf68ef52/web/moodle/lib/navigationlib.php on line 897 and exactly 5 expected in /home/clients/e56dc0434b5fe9d5359e3e2cbf68ef52/web/moodle/lib/setuplib.php:425 Stack trace: #0 /home/clients/e56dc0434b5fe9d5359e3e2cbf68ef52/web/moodle/lib/navigationlib.php(897): default_error_handler(8192, 'Return type of ...', '/home/clients/e...', 1142) #1 /home/clients/e56dc0434b5fe9d5359e3e2cbf68ef52/web/moodle/lib/setup.php(610): require_once('/home/clients/e...') #2 /home/clients/e56dc0434b5fe9d5359e3e2cbf68ef52/web/moodle/config.php(43): require_once('/home/clients/e...') #3 /home/clients/e56dc0434b5fe9d5359e3e2cbf68ef52/web/moodle/course/index.php(26): require_once('/home/clients/e...') #4 {main} in /home/clients/e56dc0434b5fe9d5359e3e2cbf68ef52/web/moodle/lib/navigationlib.php on line 897