Any idea why TSMM would be cancelled?
"We're sorry, your previously confirmed FastPass+ selection for Toy Story Midway Mania! from 8:00 PM to 9:00 PM on 08/04/2014 is no longer available due to an unexpected change in the operating schedule.
As a replacement, you may now visit any one of the following FastPass+ experiences on 08/04/2014, anytime after 9:00 AM through end of day. (Valid Theme Park admission is required and your FastPass+ selection can only be redeemed during normal Theme Park operating hours excluding Extra Magic Hours):
Experiences
Rock 'n' Roller Coaster® Starring Aerosmith
Star Tours® The Adventures Continue
Indiana Jones Epic Stunt Spectacular!
Lights, Motors, Action!® Extreme Stunt Show®
Muppet*Vision 3D
The Twilight Zone Tower of Terror
Toy Story Midway Mania!
Voyage of The Little Mermaid
There is no action needed to select the experience in advance. During the designated day and time, just arrive at the FastPass+ entrance to one of the experiences above and touch your MagicBand to enter!"