hi i started to use scriptographer recently it's a great tool for ill i think but i have some problems about it

1 - raster scripts are not work properly when i click a raster script the console says

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Wrapped java.lang.ClassCastException: org.mozilla.javascript.UniqueTag

at \rasters\stroke raster.js:1

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the situation is same for all raster scripts.

2 - "scripts" are not working eigther "syntax error" console says

other scripts that are catogarized under the tools are working good so what is my problem pls help me :)
see you later.