i need guidance regarding DataLoader any one please suggest to complete Challenge 8
 

This failed for me with the error

The Fulfillment Creation process does not appear to be working properly. Check your action that updates the Adventure Package.

On review of the trailhead information (9/9/2016), there was no listed requirement to update the Adventure package. I suspect there was in the past and this had been lost in an update. 

I got around the error by updating: 
[OpportunityLineItem]
Fulfillment Created = True
Fulfillment State = Created

The requirements should be complete if you don't want to generate frustration within the trailhead audience.