Authentication Error

Error Reads as such.

[Authentication Error

Could not sign on to the Social Club. Error code: AuthenticationFailed/LoginAttempts]

Email and password are correct.
Valid copy of GTA V through Steam.
FiveReborn is allowed through the firewalls.

Unsure what to do at this point. Its on my friends computer but works fine on my computer but I didn’t buy GTA V through Steam.