It looks like it is a must to change my password, but I don't want to. If this is real then I will switch to another passwordmanager.
Hello @johnny.bartelds​,
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 this may cause. The password requirements were updated to increase the strength of the security of our accounts. The change is required for all users whose Master Password is not at least 12 characters long. If your password is already 12 characters long, you don't need to change it.
Thank you,
Henry | Customer Care