That's the problem of poloniex alone, I've seen cases like this before and you just have to message them in order to address and solve your complain.
do u activate your 2fa authenticator
This has nothing to do with security.
Poloniex will respond very quickly to investor feedback so if you have any questions regarding their services, please send them to us. Poloniex, though, is not as strong as it used to be, but it is still a very reputable exchange on the market.