Check your basic-manifest.xml for Core. Do you see <component id="AllCSSValuesImpl" class="org.apache.flex.core.AllCSSValuesImpl”/>?
> On Jun 29, 2017, at 12:54 PM, Justin Mclean <jus...@classsoftware.com> wrote: > > Hi, > > The class is there I’m on the latest version of develop of all 3 repos and > I’m still getting that compile error. Did you actually try using that class / > compiling it? > > Thanks, > Justin