Sandy isn't intended for Flash Player 6 (Flash MX) or earlier. It requires at least Flash Player 7 (Flash MX 2004 authoring tool)
The following features require Flash Player 8 (Flash 8 or Flash 8 Professional).
If you get errors when compiling in Flash MX 2004, try using Flash 8 or later. See compiler_errors for more information.
Sandy 1.1 and Sandy 1.2 work with ActionScript 2.0.
Sandy 2.0 is designed for ActionScript 2.0 and Flash 8 or later.
Sandy 3.0 is designed for ActionScript 3 (AS3) and Flash 9.
Sandy 3.1 is designed for ActionScript 3 (AS3) and Flash 9 or 10.