error build 2x2 mimo using existence file :NI 6x6 MIMO-OFDM System

Hi,

I tried to build 2x2 mimo using the existing file the '6x6 MIMO OFDM_old.zip' file from NI (National Instrument) Community, however, it occurred an error (shown below) when i run the programme.How to solve this problem?

Thank you..