Make sure the swf-version is set correctly.
On 11/19/12 12:21 PM, "Csomák Gábor" <[email protected]> wrote: HI! I'm trying to implement workers to an existing Flex/AIR project, but I get the following runtime error: VerifyError: Error #1014: Class flash.system::Worker could not be found. at line: var worker:Worker = WorkerDomain.current.createWorker(Workers.TUtils_DataToXMLToFileWorker); anybody got idea why it is? thanks! -- Alex Harui Flex SDK Team Adobe Systems, Inc. http://blogs.adobe.com/aharui

