Playstation network error 8001050F?

I was playing cod mod warfare 2 about 3 hours and i got off to go watch the hockey game and icame back and was ready to play and it starte up then i loggged in to the user1 and it said an error has occured youhave been signed out of playstation network....i have no idea what to do the error 8001050F keeps coming... show more I was playing cod mod warfare 2 about 3 hours and i got off to go watch the hockey game and icame back and was ready to play and it starte up then i loggged in to the user1 and it said an error has occured youhave been signed out of playstation network....i have no idea what to do the error 8001050F keeps coming up! help please..all suggestions
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