An application error has occurred while processing your request'' message & not getting update
Hello there prasanthsivaasn,
I want to make sure you're able to get back in business as soon as possible.
Are you getting this error in the QuickBooks Online application? If you access your account using a web browser, a web page page issue might be causing this error message to appear. Please perform the following steps below to isolate most common web page issues.
Otherwise, if you're using the application, reset the app by going to the Help menu and choosing Reset App Data.
If you get the same result, please contact our QuickBooks Customer Care Team. They have the advanced tool to take a closer look at the issue.
Please let me know if you get any success updating the invoice format. Thank you.
Welcome to the Online Community, olga-ecoway.
Thanks for bringing this to our attention. Allow me to share some information about the issue you’re currently experiencing.
Our engineers are investigating why you're seeing this error message while working in QuickBooks. They’re all hands on deck working towards finding a permanent fix.
While waiting for the resolution, I suggest you get in touch with our QuickBooks Customer Care Team if you haven't yet. They can add you to our list of affected users, and you'll receive an email notification once there’s progress.
To contact them:
Rest assured, I’ll update this thread once the permanent fix is available.
For future reference, you can use the Health Checkup tool to detect any potential issues with your browser.
I appreciate your patience while we look into this. If there’s anything else I can help you with, please know I’m always here to assist further.