Fatal error: During inheritance of IteratorAggregate: Uncaught ArgumentCountError: Too few arguments to function default_error_handler(), 4 passed in /htdocs/elearning20/lib/navigationlib.php on line 846 and exactly 5 expected in /htdocs/elearning20/lib/setuplib.php:409 Stack trace: #0 /htdocs/elearning20/lib/navigationlib.php(846): default_error_handler(8192, 'Return type of ...', '/htdocs/elearni...', 1067) #1 /htdocs/elearning20/lib/setup.php(600): require_once('/htdocs/elearni...') #2 /htdocs/elearning20/config.php(27): require_once('/htdocs/elearni...') #3 /htdocs/elearning20/login/forgot_password.php(36): require('/htdocs/elearni...') #4 {main} in /htdocs/elearning20/lib/navigationlib.php on line 846