A gift sent to your account has been removed due to a billing issue with the original purchase. Your account will not be suspended, however the game you redeemed/unpacked to your account will be removed.
Steam Support will restore the items/gifts that were associated with the trade that you performed to receive the game. Please contact Steam Support if a game that you traded for is missing from your inventory or account.
To avoid encountering this issue in the future, please be aware of trades that are excessively imbalanced.
Please see the recommended trading practices for further information.