I can't sign in for a activision account because of user, any fix? (ps4) : r/modernwarfare

So I just got warzone, and I need to create an Activision account, as this is the first time it's required. I try to enter in my information, but it says invalid

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My Activision account was hacked

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Do all Activision accounts have numbers?

Warzone Mobile™ on X: Link Your Activision Account ( Warzone Mobile Login ) To Obtain #CODnext Watch And Earn Rewards / X

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AstroCat Gaming - Tag or share this with a friend! Did y'all know if you have prime you can link your Activision account and get free rewards? I just claimed this