I'm going to assume you mean 80029780. If so, then:
80029780 Unable to activate system
Description: You have reached the maximum number of downloads for an unactivated system. This will not affect systems that are already activated on your PlayStation Network account.
Try This: Please wait seven days before you download more content to a system that is not activated to your PlayStation Network account.
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Verified answer
I'm going to assume you mean 80029780. If so, then:
80029780 Unable to activate system
Description: You have reached the maximum number of downloads for an unactivated system. This will not affect systems that are already activated on your PlayStation Network account.
Try This: Please wait seven days before you download more content to a system that is not activated to your PlayStation Network account.
http://us.playstation.com/support/answer/index.htm...
Otherwise, if it is just 8002978, then that code is not in their system and you'll have to contact Sony for proper assistance: 1-800-345-SONY (7669)
call sony they should be able to help