Fatal error: During inheritance of IteratorAggregate: Uncaught ArgumentCountError: Too few arguments to function default_error_handler(), 4 passed in /home/clients/1baf27a87e31c3cf1441d9d6b2b59ea8/sites/moodle.deribaupierre.ch/lib/navigationlib.php on line 897 and exactly 5 expected in /home/clients/1baf27a87e31c3cf1441d9d6b2b59ea8/sites/moodle.deribaupierre.ch/lib/setuplib.php:425 Stack trace: #0 /home/clients/1baf27a87e31c3cf1441d9d6b2b59ea8/sites/moodle.deribaupierre.ch/lib/navigationlib.php(897): default_error_handler(8192, 'Return type of ...', '/home/clients/1...', 1142) #1 /home/clients/1baf27a87e31c3cf1441d9d6b2b59ea8/sites/moodle.deribaupierre.ch/lib/setup.php(610): require_once('/home/clients/1...') #2 /home/clients/1baf27a87e31c3cf1441d9d6b2b59ea8/sites/moodle.deribaupierre.ch/config.php(27): require_once('/home/clients/1...') #3 /home/clients/1baf27a87e31c3cf1441d9d6b2b59ea8/sites/moodle.deribaupierre.ch/index.php(30): require_once('/home/clients/1...') #4 {main} in /home/clients/1baf27a87e31c3cf1441d9d6b2b59ea8/sites/moodle.deribaupierre.ch/lib/navigationlib.php on line 897