Let's run some troubleshooting steps, userrohit-musale.
Before doing so, can you share with me a screenshot of the page where you got the error?
In the meantime, let's isolate what causes the error by performing a few steps.
To start with, let's open QuickBooks in a private window. It is the best place to identify any browser-related issues. You may use these keyboard shortcuts to open one:
If it works, you can go back to a regular browser and clear its cache. A piled cache can also be the reason for some unexpected behavior on the opened pages.
You can also switch to a different supported browser like Google Chrome, Mozilla Firefox, Safari, or Microsoft Edge.
If you have some How do I concerns, feel free to visit our Help Articles page.
Let me know how these steps work on your end. Take care!