King of Spring Break Set Cards Missing

I placed 10 cards in the King of Spring Break set and now the set is missing. My cards are also not returned to my binder.

On Friday, after the Spring Break promo went live, around 2:00 PM EDT, I clicked on the King of Spring Break set and cards I already owned showed as being able to add to the set. I added the following cards directly from the King of Spring Break set page:

• 2 - 87 OVR Patrick Peterson Legend cards
• 1 - 87 OVR Jadeveon Clowney Legend card
• 1 - 86 OVR Michael Crabtree Legend card
• 1 - 86 OVR Chad Johnson Legend card
• 1 - 86 OVR Maxx Crosby Legend card
• 1 - 85 OVR Booger McFarland Legend card
• 1 - 85 OVR Brian Urlacher Legend card
• 1 - 85 OVR Ray Lewis Legend card
• 1 - 85 OVR Pat White Legend card

Now, the set is no longer showing. If I click on the King of Spring Break set from the catalog page, I get an “undefined error” page.