I keep having this issue whenever I finish a Mission or Chaos Waste Randomly. It’s a waste of Time and Effort and kills the fun if after spending all that time to Clear the run, especially in a high difficulty only to end up with no rewards. Couldn’t Screenshot the error since it keeps minimizing when I try to do so
Error Message:
Server Error Backend Rejected the Challenge Response.
There’s a couple of potential solutions which may be worth trying, here:
However, we are aware of reports of connectivity errors occurring more frequently at the end of Chaos Wastes expeditions, which we are currently investigating.
If you could provide your console log from a session this occurred, or the next time it happens, that would be useful for us to see: