I cannot find any Kartia 85 Party for 3 days per week

I cannot find any Kartia 85 Party for 3 days per week. NCWest want newbies to solo from level 1 to 95?
And there are no open world boss online level from 80 to 85 at time I play game?
Nobody want to play game alone... or I should play L2j offline server?
And I always get error code 620.
This event is failed.

I cannot find any Kartia 85 Party for 3 days per week