Hello,
Welcome to the LastPass Community!
On this case, I would like to suggest you to follow these steps to fix that:
- Uninstall the LastPass browser extension.
- Clear browsing data using the "all time" option.
- Restart the browser
- Install the extension from https://lastpass.com/misc_download2.php
If after doing this process, the issue remains, please open a case with our support team!