Fatal error: During inheritance of IteratorAggregate: Uncaught ArgumentCountError: Too few arguments to function default_error_handler(), 4 passed in /home/tajloroc/public_html/kurse/lib/navigationlib.php on line 893 and exactly 5 expected in /home/tajloroc/public_html/kurse/lib/setuplib.php:421 Stack trace: #0 /home/tajloroc/public_html/kurse/lib/navigationlib.php(893): default_error_handler(8192, 'Return type of ...', '/home/tajloroc/...', 1138) #1 /home/tajloroc/public_html/kurse/lib/setup.php(599): require_once('/home/tajloroc/...') #2 /home/tajloroc/public_html/kurse/config.php(27): require_once('/home/tajloroc/...') #3 /home/tajloroc/public_html/kurse/admin/tool/dataprivacy/summary.php(25): require_once('/home/tajloroc/...') #4 {main} in /home/tajloroc/public_html/kurse/lib/navigationlib.php on line 893