You cannot debug this SWF because it does not contain ActionScript

Upgrading from Flash CS4 to CS5 ran into great wall of china again 8O .. really man.. I know web is full of posts from people running into this problem then why the hell can't Adobe just make the error message a little less misleading :roll: ... most common reason for this is the code behind is so big that the compiler is running out of memory while compiling the movie.

5005: Unknown error optimizing byte code

Recently while working with a large AIR project i ran into this problem. Every now and then all of a sudden, I will start getting this error while compiling the project :
"5005: Unknown error optimizing byte code"

Now as if MS was not enough with their cryptic messages everytime there was a problem with Windows, Adobe also came up with this gem of concept :x .