Issues with Daily Achievements
http://wiki.guildwars2.com/wiki/Daily
Today is no healer and no kill variety. Your PC’s system time is off. Check time, date and timezone. Correct it if necessary and start GW2 again.
More about it here https://forum-en.gw2archive.eu/forum/support/bugs/System-Date-Affects-Daily-Achievements-Merged/first
I fixed the issue. Thank you very much, Michael.
Hello,
As your issue here has been solved this thread is now closed.
Thank you for your understanding.