Hello @diana47905,
My name is Henry and I am happy to assist with your inquiry, and appreciate you contacting LastPass Support!
I am sorry about the issues you are having with your account. Please verify the URL that is saved on those passwords is valid. You can compare it with the URL of the login page on the sites you are trying to access, if something is different, missing or incorrect please have them updated.
Please let me know if this worked or if further assistance is required.
Thank you,
Henry | Customer Care