
As just confirmed by FOURZEROTWO (community manager Infinity Ward) on the official COD 4 Boards
Alright, heres the deal. The Variety Map Pack is REGION LOCKED. Which means the Region (Language) of the Variety Map Pack, must match the region (Language) that your Call of Duty 4: Modern Warfare disc is.
For example:
If you have the GERMAN version of the game, you MUST purchase the GERMAN version of the map pack.
If you have the UK version of the game, you MUST purchase the UK version of the map pack.
Just make sure that the Disc version and the Map Pack version matches up.
If you have any other questions, please let me know.
EDIT ::
Apperently some users with the correct region disc still seem to have the same error though, update on that issue to be expected soon.
EDIT 2::
fourzerotwo : "We're currently talking with Sony to see what option they'll have for PSN customers who purchased the incorrect version. I'll keep you updated on what we hear back."

A brutal reset, a smarter story, and a return to what made it great—Mortal Kombat (2011) revived the series.
15 years went by so fast. I remember playing through the story mode at launch.

Why did Sony push Shuhei Yoshida out of his role leading PlayStation's first-party games? He'd overseen some huge successes. Well, apparently, he didn't listen.
Yeah I can see that for sure. Shuhei Yoshida should have been in charge not Jim Ryan.
More confirmation that Jim Ryan is the culprit for what has happened to Sony. Hulst needs to go too. What sucks is that a lot of the good top heads at Sony are no longer there. I wish that guys that were forced out prematurely by Dumbo Jimbo like Shuhei and Layden came back.
Makes you wonder if MS even thought about hiring him after Phil and Sarah were leaving. He certainly couldn't make their situation any worse.
All the gamer/consumer lead heads are gone across PS and Xbox. shuhei gone phil's gone (questionable) but gone. The future of gaming is somewhat uncertain across the board.
Former Naughty Dog artist Gabriel Betancourt explains why the "sweet spot" for game teams is under 200 people and how AAA "factories" kill creativity.
There’s definitely some truth to this. When teams get too large, coordination starts to outweigh creativity—layers of approval, risk aversion, and tight deadlines can turn bold ideas into “safe” ones. Keeping a team under ~200 people sounds ideal for maintaining clear communication and a shared vision. That said, massive AAA projects also come with huge technical demands and expectations, so scaling up isn’t always avoidable. The real challenge is figuring out how to keep that small-team creativity alive inside big studio structures.
fourzerotwo replied to me in this Matter after i brought the problem to the forums
I for myself am totally disapointed by this couse i own a uk gamedisc and just threw 10€ out of the window.
Ridiculous. Release a Region Free game then sell people Region locked content.
Shame on IW.
it's never simple...
thats why i always buy games in uk, from uk.
i think its about time SONY realise that there are people in the world who can speak more then 1 language and make the PSN store global.
i thought it was today? i dont see them yet..