Forum Post: z-toll Error: Declaration expected.

Hi, in my case  z-tool works well but when I try to execute SAMPLE jscript shows several errors

Error: Declaration expected.
File: C:\Texas Instruments\ZStack-1.4.3-1.2.0\Tools\Z-Tool\Sample.js
Line: 1
Source: import System;

Error: Declaration expected.
File: C:\Texas Instruments\ZStack-1.4.3-1.2.0\Tools\Z-Tool\Sample.js
Line: 1
Source: import TI.ZPI1;

*** COMPILE TIME ERROR **

SOMEONE knowthe origin of theseERRORS?