What is error modal?
Modal error is that area of modal epistemology where philosophers debate what the best explanation is for why a subject believes that a proposition is possible or necessary when in fact the proposition has the opposite modal valence.
Are modals good for UX?
All UX patterns have specialized case uses and functions, and UX modals are no different. In fact, they are the best functioning piece of UX pattern for announcing something important or making sure you have the full attention of a user/website visitor on a browser window.
What is error handling in UX?
Error messages expose the interface. A well-designed interface becomes invisible; the user is not thinking about the interface but about her tasks. So errors are where the interface manifests — where users actively think about the experience. If it's poor, users will judge the system harshly.