Audio file transfer using LIMESDR

Hello,I have been trying to do audio file transfer using limesdr for past one week in which I have used Codec-2 encoding and decoding method to transfer an audio file by using modulation techniques like(BPSK,QPSK,16QAM). I am able to transmit my audio file and receive it when i disable by transmitter and receiver block connecting directly with the blocks(end to end at gnuradio) but when i enable my hardware portions (i.e TX and RX blocks) am hit with some errors like(am not able to receive my audio file at my receiver side).Can anyone help on this issue to fix my mistake.To kindly notice i got a choppy file at my receiver side when i disable my TX and RX blocks.Thanks in advanceā€¦