So this message is from abra ?
Yes I have copied the contents of the mail which I received. They are indeed saying the truth and they most probably don't have the private keys associated with your BSV wallet. So bittrex is your only option to recover the funds.
They told me not recoverable
Check this
It's unlikely these funds will be recoverable but our engineering team is looking into this for you. Once we have an update we'll be sure to reach back out.
Once we have an update from our engineering team, we'll be sure to reach back out.
They are just trying it out and they aren't really sure if the funds are recoverable.
P.S @Macmacmac0020 Please pay attention before sending funds again to addresses and use a open source wallet like
Electrum (for PC) and
Mycelium (for Mobile) to store your funds in future instead of wallets like Abra, Blockchain.info and other web wallets.