TranslateArray not working anymore (error Mesage: No bearer information found in the token : ID=0728.V2_Soap.TranslateArray.42E5CDAB)

I started getting this error (No bearer information found in the token : ID=0728.V2_Soap.TranslateArray.42E5CDAB)

for new Bing account I signed up for.

I am using the C#.net code listed at (http://msdn.microsoft.com/en-us/library/ff512438.aspx)

i can able to translate thetext, 

now i need to perform with theTranslationAray...

Anyone else having the same issue?

guide me to achieve this.......