There are various reasons for objects not rezzing after hypergridding. Here are a couple of pointers:

Firstly give the objects plenty of time to reach your inventory. Lots of the famous freebies regions are terribly laggy. Although you may get the In your suitcase message, it doesn't always mean it is there. Try finding a rez area at that region, or sandbox in the same grid. rez the object and hopefully all ok. 

If the above doesn't work, here is a cheat that seems to work. 

Attach the object to you.

Teleport back to Tranquility

Detach the object.

You should now be able to rez that object