We’ve had a fair few people asking us in the comments and on Twitter about the Euro 2012 DLC requiring them to purchase before they can use it, even though they already have.
It’s certainly an issue on the Xbox 360 and may be on the PS3 too, not sure. Either way, there’s a simple fix, you just need to go to the store when prompted, then exit out. Sadly you’ll need to repeat this process every time you load up the DLC.
Video of the process below: