Source: Clear the history and cookies from Safari on your iPhone, iPad, or iPod touchDelete history, cache, and cookies
Here's how to clear information from your device:
- To clear your history and cookies, go to Settings > Safari, and tap Clear History and Website Data. Clearing your history, cookies, and browsing data from Safari won't change your AutoFill information.
- To clear your cookies and keep your history, go to Settings > Safari > Advanced > Website Data, then tap Remove All Website Data.
I suspect you may need to reset your iPad, unless someone else has a better idea.This notification appears as a whole grey page, with an icon of a folder in it with the words get-user-id to click on. I can’t get past it and won’t click on anything, just in case. I cleared the history and data but it still appears.