Using Uez Base 64 String code generator

[Krios]

I am fairly new at scripting, But I am learning and reading, I was given this to use by Uez for Mp3 conversion, the exe file works fine, but the script it self has an error 

 

(C:UsersCrimsonDocumentsString CodeFile to Base64 String Code Generator.au3(38,10) : ERROR: can't open include file <WinAPISys.au3>.

#include <WinAPISys.au3>)

I am left just a bit curious, what does this error mean when a script pops this out? cause it does not compile it, 

[Malkey]

A possible cause for the error "ERROR: can't open include file <WinAPISys.au3>." is AutoIt release version v3.3.8.1 does not have WinAPISys.au3 in the "...AutoIt3.include" directory.

The fix would be to update to the latest release version 3.3.10.2.