# Exceptions

<div id="sec-exceptions" class="toctree" maxdepth="1">

AndroidException \<androidexception\> COMException \<comexception\> CryptoException \<cryptoexception\> DatabaseException \<databaseexception\> EndException \<endexception\> FunctionNotFoundException \<functionnotfoundexception\> HTMLViewerException \<htmlviewerexception\> IllegalCastException \<illegalcastexception\> IllegalLockingException \<illegallockingexception\> InvalidArgumentException \<invalidargumentexception\> InvalidParentException \<invalidparentexception\> IOException \<ioexception\> IteratorException \<iteratorexception\> JSONException \<jsonexception\> KeychainException \<keychainexception\> KeyNotFoundException \<keynotfoundexception\> MenuHasParentException \<menuhasparentexception\> NamespaceException \<namespaceexception\> NetworkException \<networkexception\> NilObjectException \<nilobjectexception\> NotificationException \<notificationexception\> ObjCException \<objcexception\> OLEException \<oleexception\> OutOfBoundsException \<outofboundsexception\> OutOfMemoryException \<outofmemoryexception\> PlatformNotSupportedException \<platformnotsupportedexception\> RegExException \<regexexception\> RegExSearchPatternException \<regexsearchpatternexception\> RegistryAccessErrorException \<registryaccesserrorexception\> RuntimeException \<runtimeexception\> ServiceNotAvailableException \<servicenotavailableexception\> SessionNotAvailableException \<sessionnotavailableexception\> ShellNotAvailableException \<shellnotavailableexception\> ShellNotRunningException \<shellnotrunningexception\> SpotlightException \<spotlightexception\> StackFrame \<stackframe\> StackOverFlowException \<stackoverflowexception\> ThreadAccessingUIException \<threadaccessinguiexception\> ThreadAlreadyRunningException \<threadalreadyrunningexception\> ThreadEndException \<threadendexception\> TypeMismatchException \<typemismatchexception\> UnsupportedFormatException \<unsupportedformatexception\> UnsupportedOperationException \<unsupportedoperationexception\> XAMLException \<xamlexception\> XMLDOMException \<xmldomexception\> XMLException \<xmlexception\> XMLReaderException \<xmlreaderexception\> XojoScriptAlreadyRunningException \<xojoscriptalreadyrunningexception\> XojoScriptException \<xojoscriptexception\>

</div>

<div class="seealso">

`Exception handling</getting_started/debugging/exception_handling>`, `Exception</api/exceptions/exception>` class, `Raise</api/language/raise>` keyword

</div>