Exception

Classes
class	ErrorPageError
	An error page which can definitely be safely rendered using the OutputPage. More...
class	FatalError
	Exception class which takes an HTML error message, and does not produce a backtrace. More...
class	HttpError
	Show an error that looks like an HTTP server error. More...
class	MWException
	MediaWiki exception. More...
class	MWExceptionHandler
	Handler class for MWExceptions. More...
class	PasswordError
	Thrown by User::setPassword() on error. More...
class	PermissionsError
	Show an error when a user tries to do something they do not have the necessary permissions for. More...
class	ReadOnlyError
	Show an error when the wiki is locked/read-only and the user tries to do something that requires write access. More...
class	ThrottledError
	Show an error when the user hits a rate limit. More...
class	UserBlockedError
	Show an error when the user tries to do something whilst blocked. More...
class	WikiError
	Since PHP4 doesn't have exceptions, here's some error objects loosely modeled on the standard PEAR_Error model... More...
class	WikiErrorMsg
	Localized error message object. More...
class	WikiXmlError
	Error class designed to handle errors involved with XML parsing. More...