Most Common Exceptions While automating - Selenium WebDriver.

Common Exceptions while automating :

NoSuchElement : An element could not be located on the page using the given search parameters.

NoSuchFrame : A request to switch to a frame could not be satisfied because the frame could not be found.

StaleElementReference : An element command failed because the referenced element is no longer attached to the DOM.

Firefox Not Connected : Firefox browser upgraded toop new version.

ElementIsNotSelectable : An attempt was made to select an element that cannot be selected.

UnknownCommand : The requested resource could not be found, or a request was received using an HTTP method that is not supported by the mapped resource.

ElementNotVisible : An element command could not be completed because the element is not visible on the page.

InvalidElementState : An element command could not be completed because the element is in an invalid state (e.g. attempting to click a disabled element).

UnknownError : An unknown server-side error occurred while processing the command.

JavaScriptError : An error occurred while executing JavaScript code.

XPathLookupError : An error occurred while searching for an element by XPath.

Timeout : An operation did not complete before its timeout expired.

NoSuchWindow : A request to switch to a different window could not be satisfied because the window could not be found.

InvalidCookieDomain : An illegal attempt was made to set a cookie under a different domain than the current page.

UnableToSetCookie : A request to set a cookie’s value could not be satisfied.

UnexpectedAlertOpen : A modal dialog was open, blocking this operation

NoAlertOpenError : An attempt was made to operate on a modal dialog when one was not open.

ScriptTimeout : A script did not complete before its timeout expired.

InvalidElementCoordinates : The coordinates provided to an interactions operation are invalid.

IMENotAvailable : IME was not available.
IMEEngineActivationFailed : An IME engine could not be started.

InvalidSelector : Argument was an invalid selector (e.g. XPath/CSS).