Sorry, I can't help you much, I only found these posts about unknown error:
https://faucethub.io/forum/thread/1584522And I found another issue on your faucet - I don't see SolveMedia captcha, I only get this error:
domain / ckey mismatch (2ZtVTqUgL-noYMTH2N8fjILlvInJaPkn)
Publishers:How can I fix this?
Please check your settings or add alternative captcha.