This is most likely a bug that needs to be investigated further.
Please reach out to MetaMask Support.
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Visit : https://support.metamask.io/
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Click the large blue “start a conversation” bubble in the upper middle of page, looks like this:
This will connect you to a bot at first, answer some questions and it will open a ticket for you with an agent.
Remember - NOBODY, including from support, will ask for your secret recovery phrase or for you to input it onto any website for confirmation.