I wrote MATLAB CODE but it is only executing in my friend laptop not in mine?In the code we use communication toolbox and we both are using same version R2019b and same OS.How to fix this problem?

Error using horzcat

Dimensions of arrays being concatenated are not consistent.

Error in LDPCEncode (line 81)
            encoder = comm.LDPCEncoder([rows cols]);

Error in codeseg (line 47)
ldpc_coded_bits = double(LDPCEncode(c',bgn));