In the lesson 2 and 3 (ex1_02_starter.mxml and ex1_03_starter.mxml) there was an error on the line
which begin with
<s:Form x="20" y="78"
I have replaces the namespace s wit mx and the error has desappeard.
I dont understand ! In my Flex buil pass, the mx + sparks ist checked.
Thank you for your help.
was already answered : s:Form was not in flash builder 4.1
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