Recent Event History wrong date

Hi,
Can someone assist me with fixing an issue with my Checkmk version raw 1.6.0p10 that consists of wrong date in the Recent Event History window? Where can I edit/fix the date that is displayed because currently it shows that the XXX event took place 1970-01-01 02:00:00. This day persists and never changes no matter when the events took place.
The issue isn’t with the Ubuntu’s time since the time is correctly set and when i go to ‘Notifications’ CheckMK displays the right day and time.

Thank you for your help in advance