Giveaway brooken.

Okay.

Ask Support.

It's not an error... There is nothing to fix.
As you said.. the game was free, you can't give away free games or games that were given for free for a short time. Or have you seen a giveaway of Team Fortress 2 or Dota 2 around here?

borken*

You ran out of slots available (3 only initially), only Support can help you.

Thanks for helping me. I really appreciate it.

Thank you one more time.