URL Access Manager Result Codes

The most common result codes returned by URL Access Manager are listed below.

`noErr`	0	No error
`nsvErr`	-35	Volume not found
`fnfErr`	-43	File or directory not found; incomplete pathname
`paramErr`	-50	Invalid value passed in a parameter. Your application passed an invalid parameter for dialog options.
`dirNFErr`	-120	Directory not found or incomplete pathname
`kURLInvalidURLReferenceError`	-30770	Returned by functions that operate on URL references to indicate that a reference is invalid.
`kURLProgressAlreadyDisplayedError`	-30771	Returned by the functions URLSimpleDownload, URLDownload, URLSimpleUpload, and URLUpload to indicate that a progress indicator is already displayed.
`kURLDestinationExistsError`	-30772	Returned by the functions URLSimpleUpload and URLUpload to indicate that the destination file already exists.
`kURLInvalidURLError`	-30773	Returned by functions that operate on URL strings to indicate that the format of the URL is invalid.
`kURLUnsupportedSchemeError`	-30774	Returned by functions that operate on URL strings to indicate that the transfer protocol is not supported.
`kURLServerBusyError`	-30775	Indicates a failed data transfer operation.
`kURLAuthenticationError`	-30776	Returned by URLSimpleDownload, URLDownload, URLSimpleUpload, and URLUpload functions if no authentication dialog box is allowed and the user name and password properties of the URL are set incorrectly or don’t exist.
`kURLPropertyNotYetKnownError`	-30777	Returned by the functions URLGetProperty and URLGetPropertySize to indicate that the value or size of a URL property is not available.
`kURLUnknownPropertyError`	-30778	Returned by functions URLSetProperty, URLGetProperty, and URLGetPropertySize to indicate that the property is invalid or undefined.
`kURLPropertyBufferTooSmallError`	-30779	Returned by the function URLGetProperty to indicate that the buffer is too small to receive the requested property.
`kURLUnsettablePropertyError`	-30780	Returned by the function URLSetProperty to indicate that the property cannot be set.
`kURLInvalidCallError`	-30781	Returned by the functions URLGetDataAvailable, URLGetBuffer, and URLReleaseBuffer to indicate that the call is invalid.
`kURLFileEmptyError`	-30783	Indicates a failed data transfer operation.
`kURLExtensionFailureError`	-30785	Indicates that your extension failed to load. Available in Mac OS 9 and earlier.
`kURLInvalidConfigurationError`	-30786	Indicates a failed data transfer operation. This is returned when you attempt to upload through an HTTP proxy, since upload through proxies is not supported.
`kURLAccessNotAvailableError`	-30787	Returned by the function URLGetURLAccessVersion to indicate that the URL Access Manager is not available.
`kURL68kNotSupportedError`	-30788	Indicates that URL Access Manager was called from within a 68K context. Available in Mac OS 9 and earlier.