Why can't I use USSD short code *300?

I am trying to access a service that runs on a USSD gateway with short code *300# but I am getting error "error performing request, Unknown error". Why is this so?

In an inline renderer, the compiler knows which document will be the “outerDocument” so it sets up special code to assign that value. I think you can use parentDocument or owner.document

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Please use code formatting tags in future! http://forum.java.sun.com/features.jsp#Formatting
It would be easy to find the problem yourself if you printed out a stack trace e.g.
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catch( Exception e )
e.printStackTrace()
}Tho code doesnt look lke it compiles to me!

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In an inline renderer, the compiler knows which document will be the “outerDocument” so it sets up special code to assign that value. I think you can use parentDocument or owner.document

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Why can't I use USSD short code *300?

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