We identified changes that caused the error responses. These changes are reverted are we confirmed the error responses are gone. Maintenance mode has been disabled and we're working on a permanent fix for the issue. We apologise for the inconvenience this might have caused.
Posted over 1 year ago. Jan 15, 2018 - 14:52 UTC
We're seeing a high number of error responses on hackerone.com. Maintenance mode is currently enabled allowing us to implement a fix.