Overloaded data and other browser issues can prevent some names or lists from loading correctly, eaiaccounting.
I suggest following some steps to ensure you can see the names of your customers when creating invoices.
First, add Intuit as a trusted site.
Then, delete cache and Intuit-specific cookies. Use the links in this article for a step-by-step guide, depending on the browser that you're using: Clear cache and cookies to fix issues when using QuickBooks.
After that, restart your browser and log back into QuickBooks to check if you're able to see the customer names.
Just in case you need extra help when bookkeeping and other related tasks, our QuickBooks Live Expert Assisted Team is ready to offer tailored support.
Use this article as a guide in case you might need to send invoice reminders: Send invoice reminders automatically or manually in QuickBooks Online.
Please don't hesitate to reach out anytime if you have a follow-up or any other questions when working in QBO.