The FlexBuilder hot fix did the trick for mehttp://kb.adobe.com/selfservice/viewContent.do?externalId=kb402000&sliceId=2

I am attempting to upgrade from FDS to LCDS 2.5. I replace the files in:/WEB-INF/flex/jars/WEB-INF/flex/libs/WEB-INF/flex/localcopy the new jars into /WEB-INF/liband recompile the client.When I run the client I get:VerifyError: Error #1053: Illegal override of subtopic inmx.messaging.Consumer. at fl...