DESCRIPTION: You may have wondered what Segwit is and what it does with your BTC withdrawals.
POSSIBLE REASON: Segwit stands for Segregated Witness. In short, Segwit separates the transaction signatures so that the transaction uses less data on the Bitcoin network.
RESOLUTIONS STEPS:
1) Withdrawals are available via SegWit BTC wallet.
2) There is no restriction on the format of address for withdrawals as long as it is a valid address.