I am unable to create an invoice ,a message read "Unable to contact our servers"

Welcome to the Community, Keith.

I'm here to provide several troubleshooting steps to resolve the error you’re experiencing with creating an invoice in your QuickBooks Online (QBO) account. 

If you’re accessing your QBO account in a web browser. Let’s begin with logging out of your account and then logging in to a private or incognito browser. You can use these keyboard shortcuts below:

• Google Chrome: Ctrl + Shift + N
• Safari 11 or newer: ⌘ + Shift + N
• Mozilla Firefox: Ctrl + Shift + P
• Microsoft Edge: Ctrl + Shift + N

From there, check if you can create an invoice without getting the error message. If it works, go back to your regular browser and clear its cache. Cleaning your cache helps remove the stored cookies that can block your web pages from loading.

Furthermore, if you’re creating your QBO invoice via your mobile app. Uninstalling and reinstalling your QBO app will also help resolve this matter. This way, we can ensure complete and updated installation of your QBO app components. 

When reinstalling your mobile app didn’t work. Let’s proceed with the troubleshooting steps on the QBO app on your mobile app. 

If you’re using an iOS device:

1. Go to your Settings, then choose the General option.
2. Find the iPhone Storage and tap on it.
3. Then select the Offload App.

However, if you’re creating your QBO invoice via an Android device. There’s currently an ongoing investigation into creating an invoice. I suggest contacting our support team. 

In this way, you’ll be able to have secure access to the most recent information and updates on this subject. Rest assured that our Product Engineering Team is fully committed to finding a solution and resolving this problem as soon as possible.

I appreciate your patience as we continue to work on resolving the issue. Don’t hesitate to comment below if you have any QBO-related feature questions. I'm here to provide assistance and help you navigate the platform.