Fatal error: Uncaught Error: Non-static method Date_TimeZone::isValidID() cannot be called statically in /var/www/legtux.org/users/actarus13/www/civicrm/packages/Date/TimeZone.php:4717
Stack trace:
#0 {main}
thrown in /var/www/legtux.org/users/actarus13/www/civicrm/packages/Date/TimeZone.php on line 4717