Help My unlocked galaxy is now locked?

[aaranan]

So my galaxy that I've had for a year now that had it's original 2.1
(yes i want to root soon) has been unlocked for the whole time I've had it

NOW after the battery gave out so i turned it on again,
it just keeps asking for
"SIM network unlock pin"

WTF

????

helP?


thanks in advance