Hi,

Sometimes popup messages show up, without you expecting them. This post will give you some tips on how to handle those messages.

Frequent challenges faced concerning this topic: 

Timeout

Make sure your internet connection is stable and your application complies with the best practices (we should add documentation for best practices online before pointing to this).

Requested item not found

Ensure the item you are trying to retrieve exists. Also try opening the URL in an incognito window. If this does work, clear your cache.

Server Error

Try to clear your cache and follow the above troubleshooting methods. Also try opening in an incognito window. If these do not work make sure you have no broken references (for example in your datamodel or empty input fields).