Fatal error: During inheritance of IteratorAggregate: Uncaught ArgumentCountError: Too few arguments to function default_error_handler(), 4 passed in /data/4/1/41441a21-f698-4dee-9e20-ed626a7a0e30/virta.sk/sub/edu/pub09/lib/navigationlib.php on line 893 and exactly 5 expected in /data/4/1/41441a21-f698-4dee-9e20-ed626a7a0e30/virta.sk/sub/edu/pub09/lib/setuplib.php:421 Stack trace: #0 /data/4/1/41441a21-f698-4dee-9e20-ed626a7a0e30/virta.sk/sub/edu/pub09/lib/navigationlib.php(893): default_error_handler(8192, 'Return type of ...', '/data/4/1/41441...', 1138) #1 /data/4/1/41441a21-f698-4dee-9e20-ed626a7a0e30/virta.sk/sub/edu/pub09/lib/setup.php(599): require_once('/data/4/1/41441...') #2 /data/4/1/41441a21-f698-4dee-9e20-ed626a7a0e30/virta.sk/sub/edu/pub09/config.php(26): require_once('/data/4/1/41441...') #3 /data/4/1/41441a21-f698-4dee-9e20-ed626a7a0e30/virta.sk/sub/edu/pub09/login/index.php(27): require('/data/4/1/41441...') #4 {main} in /data/4/1/41441a21-f698-4dee-9e20-ed626a7a0e30/virta.sk/sub/edu/pub09/lib/navigationlib.php on line 893