To use the mx classes you will need to add +configname=flex
to your compiler options. HTH, -Alex On 5/16/19, 4:29 AM, "T-san" <jl03...@gmail.com> wrote: Alex, thanks. The reported error was fixed. However, the following error was issued. Welcome.mxml is from https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fapache%2Fflex-utilities%2Fblob%2Fmaster%2FTourDeFlex%2FTourDeFlex3%2Fsrc%2FWelcome.mxml&data=02%7C01%7Caharui%40adobe.com%7C22f3f97775254e1b27ab08d6d9f1c0a1%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0%7C636936029671227284&sdata=Kg9fuoxYik8NmjtNj74mzzbJY4CMk9deffgSZXA5ot8%3D&reserved=0. By the way, I haven't ever raise an issue so far. Would you please point me the instruction on how to do that? ******************************************************************************* C:\apache-royale-source>if "xc:\apache-royale-0.9.6-bin-js\royale-asjs\js\bin\..\.." == "x" (set "ROYALE_HOME=c:\apache-royale-0.9.6-bin-js\royale-asjs\js\bin\..\.." ) else echo Using Royale SDK: c:\apache-royale-0.9.6-bin-js\royale-asjs\js\bin\..\.. Using Royale SDK: c:\apache-royale-0.9.6-bin-js\royale-asjs\js\bin\..\.. MXMLJSC -sdk-js-lib=c:\apache-royale-0.9.6-bin-js\royale-asjs\js\bin\..\..\frameworks\js\Royale\generated-sources Welcome.mxml C:\apache-royale-source\Welcome.mxml(17): col: 1 エラー : このタグを ActionScript class に解決できませんでした。このタグは無視されます。 <mx:Application xmlns:fx="https://nam04.safelinks.protection.outlook.com/?url=http%3A%2F%2Fns.adobe.com%2Fmxml%2F2009&data=02%7C01%7Caharui%40adobe.com%7C22f3f97775254e1b27ab08d6d9f1c0a1%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0%7C636936029671237277&sdata=Bx93bCN%2B0abwI0hFiofx%2FM9sCzO0mPdY344hBazZVAM%3D&reserved=0" -- Sent from: https://nam04.safelinks.protection.outlook.com/?url=http%3A%2F%2Fapache-royale-users.20374.n8.nabble.com%2F&data=02%7C01%7Caharui%40adobe.com%7C22f3f97775254e1b27ab08d6d9f1c0a1%7Cfa7b1b5a7b34438794aed2c178decee1%7C0%7C0%7C636936029671237277&sdata=hRLK2a56g57%2BYFSGMfNLiz%2FDpz0UsIXmiu0RWTnZVnI%3D&reserved=0