I'd be glad to help you fix the error and get you back in processing your payroll, @hbeach628-gmail-.
We can perform some steps to repair this. There are times that the browser is full of frequently accessed pages, thus causing some unusual responses. You can log in to your account using a private browser.
Ctrl + Shift + N for Google Chrome
Ctrl + Shift + P for Mozilla Firefox and Microsoft Edge
Command + Shift + N for Safari
Once signed in, let's get back in processing your payroll to verify if you still get some errors. If it works, go back to your default browser and clear its cache and cookies to refresh the system. If the issue persists, I'd recommend using other supported browsers in accessing the tab.
It would be helpful as well if you can provide the error message that you encounter. This way, we can add some steps on how to fix it.
I've also added these articles that can guide you more in processing your payroll in QuickBooks Online: