i have face recognition on my iPhone Xr and all if a sudden the face recog icon is gone and i do not know mt Master Password to get into the
I'm sorry to hear you've forgotten your Master Password. This password is used to encrypt your data within 1Password and as such without it it isn't possible to decrypt that data. I would recommend reviewing the tips in this guide:
I hope that helps. Should you have any other questions or concerns, please feel free to ask.