Cryptic Optomizer Message - Should I be concerned?

I got this message when I optimized one of my maps. What does this mean and how do I avoid this in the future?

"refer to the readme file for more information".

Did you do that?

optimizer folder probably lacsk the files secified. just get them from the mpqs

Yes. It provided no help to this problem.How do I go about accomplishing this?

use mpqeditors to extract blizzard.j / common.j they are inside <blabla>.mpq/Scripts

did you set the path to war3patch.mpq?

As for what it means, I'm not sure, but here's my guess.

The optimizer renames your functions essentially at random, usually to the shortest possible names unless you chose otherwise. Anyway, Warcraft has some names reserved for the built in functions. In order to find out what the reserved names are, the optimizer needs to be able to see the common.j and blizzard.j files, which contain the declarations.
Basically, it is warning you that without access to those files, it might accidental rename one of your functions to a name that is already taken by a built in function, which would be a Bad Thing.

WinMPQ, MPQ Master, or even Magos War3 Model Editor's MPQ Browser can enable you to extract the files.

I downloaded the tool, MPQ Master. Now how do I use it to extract the blizzard.j / common.j file(s) and where do I move them to? Perhaps I should seek some other optimizer?

open war3x.mpq and extract the files mentioned by the optimizer

These is no war3x.mpq file when I open my map with the MPQMaster.

Because it's not in your map, it's in the Warcraft III folder..