Fatal error: During inheritance of IteratorAggregate: Uncaught ArgumentCountError: Too few arguments to function default_error_handler(), 4 passed in /home/hacneec/it-hac-neec.jp/public_html/moodle/lib/navigationlib.php on line 897 and exactly 5 expected in /home/hacneec/it-hac-neec.jp/public_html/moodle/lib/setuplib.php:425 Stack trace: #0 /home/hacneec/it-hac-neec.jp/public_html/moodle/lib/navigationlib.php(897): default_error_handler(8192, 'Return type of ...', '/home/hacneec/i...', 1142) #1 /home/hacneec/it-hac-neec.jp/public_html/moodle/lib/setup.php(610): require_once('/home/hacneec/i...') #2 /home/hacneec/it-hac-neec.jp/public_html/moodle/config.php(28): require_once('/home/hacneec/i...') #3 /home/hacneec/it-hac-neec.jp/public_html/moodle/pluginfile.php(32): require_once('/home/hacneec/i...') #4 {main} in /home/hacneec/it-hac-neec.jp/public_html/moodle/lib/navigationlib.php on line 897