And you have to feel lucky if you don't get "unexpected error" (in this case then you don't receive your tokens for claming because the claim does not count!).
It's not problem with rate and price. I know they have reduced the faucet filling rate and it's automatic. Fluctuate with crypto rate. That site and all other sites of MOON have the same issue. May they have problem on site code or connection problem with coinpot or problem with database connection which showing 'unexpected' error.