There were a few users who have posted threads with a similar problem such as yours although what the above users says is true, This is a blockchain.info's problem so obviously they're the only ones who can solve this. And yes opening a support ticket is a must and make it as detailed as possible as well as include proofs e.g. screeshots
This is not a solution but it's another way to access your funds so if it's urgent you can use this. But
you must have your recovery phrase.On the other hand, if you want to access your funds asap. You can import it in
electrum*Please note that when importing, your funds will be accessible on both wallets which is why it's highly advisable to transfer them in a new wallet (with different seed/PK's) once the network has stabilized to avoid high fees.
If you have a specific wallet where you prefer to import your funds, let me know.