Thanks and I'm hitting Attack From Mars hard at the moment and it's great now everything works ok. Have a great day.
Glad to see it's fixed for you. I suppose we'll never know what caused it, though! Don't think downloading the season pass first would have made a difference - the store should be flexible for that kind of thing. Remember, DLC is for disc games as well as downloads, so the game you're downloading the DLC for may never be installed on your PS3.
There was a disc version of TPA for the PS3?