Hello! @bethanymastermail
Welcome to the LastPass Community.
We truly apologize for the problem with your account master password, in this case if your browser is showing or auto filling the master password, we recommend you follow the steps below:
Check your Browser Password Manager - It can be possible you save the password in your browser by mistake, please access your browser settings and check if the password isn't saved.
Check your LastPass account and look for the item related to the website where your master password is getting autofill in case there is any please remove it or change the details of this save item.
Please let me know if you need additional help.
Greetings!
Verlaine | Customer Care
