That didn't work. Check your password and try again.
After my hard drive failed in my iMac, I rebuilt the system using my MacBook and then booted my MacBook off the external drive to check everything out first. I reinstalled 1Password so that I could enter passwords as I was rebuilding things. I also enabled Unlock with Apple Watch and Touch ID.
When I was done, I installed the rebuilt drive in my iMac and reinstalled 1Password. However, now each time I start 1Password it has the message "That didn't work. Check your password and try again".
I believe it is trying to unlock 1Password with my Apple Watch and/or Touch ID, however my iMac (Retina 5K, 27-inch, 2017) - does not support Touch ID. Going into Settings > Security, there are no settings for Apple Watch and Touch ID. My MacBook at the same 1Password level has them above Auto-lock in the security settings.
I suspect that 1Password does realize I do not have Touch ID on my iMac and is not showing the security settings for that reason, however it is already set somewhere and it is trying to use Touch ID to unlock the iMac anyway, which of course fails, and that is the reason for the message.
I can't recall if I was able to unlock 1Password with my Apple Watch before my internal drive failed, but that is not even an option now as I said and no indication that 1Password is attempting to unlock with the Apple Watch.
I tried uninstalling 1Password, including uninstalling using AppCleaner, hoping any remnants of the install on the MacBook would be cleaned up in the process. However the problem remains.
Hoping this might explain the problem that I see others have experienced, where this message appears, and lead to a fix or at least a circumvention. Maybe there are property files somewhere which if I delete them it will fix the problem.
1Password Version: 8.10.24
Extension Version: 2.20.0
OS Version: macOS 13.6.4
Browser: Safari 17.3.1