Hello, I lost the bid even though my price was higher. Can you help me understand why?

Hello,
Thanks for your inquiry regarding item number 254112458838. We investigated what we encountered when we placed the bid for this item.
Your authorization (for us to bid for you) has expired.
To remedy this, just log in to your BidSlammer account and click Preferences at the upper right corner of the navigation bar. On the Preferences page, click "Refresh your Authorization" and follow the prompts.
We hope this answered your question to your satisfaction. Please let us know if we can help further. Good luck sniping!