My VI not work properly (QAM mod - demod) Please help!

My VI not work properly. In it, there are reed-solomon coding, convolutional coding, interleaving and QAM.  I am not a professional programmer. I make this VI with helping of built-in modulation examples of LabVIEW. BER is always at about 0,5. How can I correct this problem? (VI is in the link)
http://rapidshare.com/files/250321107/modulation.rar.html

Hello Kaykay,
You mentioned that you built this VI using built-in modulatin examples, did you gather them from the Example Finder? Could you be more specific regarding the issue that you are having with the VI? Whatis the BER value that you are expecting?
Andy Chang
National Instruments
LabVIEW Control Design and Simulation

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