Ctrl+Shift+S - select Flex SDK.
After I finished Section A of this useful tutorial:
https://www.mpgh.net/forum/showthread.php?t=1163271
I had to rebuild it and got this error after doing so
cool
Ctrl+Shift+S - select Flex SDK.
faaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaargraarg
IntelliJ IDEA Ultimate, enter jetbrains.tencent.click as Server License Key, then add SDK from there.