To address the payment issue you're encountering, you'll need to perform some initial troubleshooting steps, Marianne.
When you experience this type of error while receiving customer payments or paying supplier bills, we recommend refreshing your browser. This helps ensure you're accessing the most updated version of QuickBooks and can resolve potential issues. For your reference, please see the screenshot below.
If the error continues, you can consider using other supported browsers. Additionally, signing out of your QuickBooks Online (QBO) account and then signing back in will also help resolve this minor browser-related problem.
If you have any other concerns, please feel free to reply here. We’re always happy to assist.