It sounds like your prior year information was transferred and it was also entered manually which doubled the income amount on your tax return. But yes, unfortunately if your return was already submitted and accepted by the IRS the only option to fix it would be to amend.
Since your return has been accepted by the IRS, wait until you have received your refund, if applicable, and then amend your return to make changes. Amended returns have to be printed and mailed in and take up to 16 weeks to be processed.
If accepted, wait until you have received your refund or taxes due paid, then you can go here for instructions on amending your return.
