When looking for an element, there may be no such element:
1. Element path error
2. More than one element found
3. The found element is invisible, display is none or hidden.
4. The page is not fully loaded
When looking for an element, there may be no such element:
1. Element path error
2. More than one element found
3. The found element is invisible, display is none or hidden.
4. The page is not fully loaded