I recently unearthed my old Block Erupters, u2, and u3 (questionable condition). So I downloaded BFGMiner, logged into Slushpool again, set up a .bat with the whole

bfgminer -o xxxx:xxxx -u xxxx.xxxx -p xxxx.xxxx

That closed out immediately after trying to start it. So I then tried the normal exe file for BFGMiner and it actually stayed open, however after putting in stratum+tcp://stratum.slushpool.com:3333 for the URL, my user, and a random password, I am greeted with-


I have no clue what this means or what im doing wrong. Its been quite some time since I mined last, I know that it wont really have much of an output, im mostly just doing it for fun at this point.

Anyone got any ideas? Sorry if this isnt the most detailed post, its 3am and im rusty.