I'd like to share some information about the prompt and provide a resolution to isolate this issue, @Carina-acgeorge.
Before proceeding, let's review if there are no invoices with the same number through the Search icon. You can also press the CTRL + letter F key on our keyboard on the Invoices page. See the sample screenshots below.
![1.png 1.png](https://quickbooks.intuit.com/learn-support/image/serverpage/image-id/94805i822545A2364F67EC/image-size/large?v=v2&px=999)
![2.png 2.png](https://quickbooks.intuit.com/learn-support/image/serverpage/image-id/94806iCB7E29CD6062924B/image-size/large?v=v2&px=999)
Once verified, use these keyboard shortcuts to confirm if the cache piled up on your browser affects the program's display:
- For Firefox, press Ctrl + Shift + P
- For Chrome, press Ctrl + Shift + N
- For Safari, hold down Command + Shift + N
If this works, clear the browser's cache to start with a clean slate. You can also use other supported browsers as alternatives.
Here's an article about personalizing your sales forms: Customise invoices, estimates, and sales receipts in QuickBooks Online.
Once done, follow this guide to enter customer payments in the program: Record invoice payments in QuickBooks Online.
In case you need assistance in managing your receivables, please get back to this thread. I want to ensure everything is taken care of. Have a good day!