BODS Blueprints error

Hi Experts

I am trying to run BODS Text data Processing Blueprints 4.1.1.- English, and when i am trying to run TdpBlueprintEn_Twitter, it is executing successfully but i am not getting any result..and in the execution trace list i found a line as "The server couldn't fullfill the request due to 400" is this the error stoping my request.. please suggest me what are the steps i have to follow to get the tweets.

Thanks in advance

Prasanna Kumar