When I fill in the user and password it does it but will open a new browser window, and sometimes will be in incognito mode. just started happening a few months ago. Using chrome and browser extension.
1Password Version: 1Password 6 Version 6.8.9 (689001) AgileBits Store
Extension Version: 184.108.40.206
OS Version: 10.11.6
Sync Type: Dropbox