Embedding font family in AS3

While trying to embed font in AS3 ran into problem. I was trying to embed MyriadPro font into my AS3 application and got error "exception during transcoding: Font for alias 'MyriadPro' with plain weight and style was not found at: file" and like always Googling provided the solution.

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 .