Thanks for taking the time to post here in the Community. I'm here to help ensure you're able to correct your paycheck data in QuickBooks Online (QBO).
To process a payroll correction requires pulling up your account. We're unable to do it here in the Community for security purposes.
That said, I highly suggest contacting our Payroll Support team. They have tools that can pull up your account in a secure environment and help correct your last year's paycheck data. Here's how to reach them:
In QBO, click the Help (question mark) icon at the top right.
Select a suggested option, or type Payroll Correction.
Tick Contact Us and choose a way to connect with us.
I'll add this article that tackles managing employee paychecks, information, forms, and other topics for future reference: QuickBooks Online Payroll Hub.
Please let me know if you have more payroll questions or anything else QuickBooks. I'm only a few clicks away. Enjoy the rest of the day.