The WAS extractor is mutually exclusive with all other extractors.
The ExtractorsOnByDefault parameter specified the WAS extractor as well as one or more other extractors. WAS is mutually exclusive with all other extractors.
Application Performance Analyzer terminates
Either remove WAS from the list of extractors specified in the ExtractorsOnByDefault parameter or remove all other extractors from ExtractorsOnByDefault, leaving only WAS.