GSTP first time log in error

I could not able to login through New user login, error showing "Provisional ID/GSTIN/UIN entered is already mapped to a username. Kindly log in with valid username"

Please guide me to first login in GST portal.
Replies (3)
you have to login via first time login and enter id password received in mail
Yes sir i tried that way only, but it is showing the above error. Any other ways?
try to forgot user name and then try to forgot password

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