Error while executing

[swapna2205]

Index in position 2 exceeds array bounds. Index must not exceed 1.

Error in dataPrep (line 91)
X1 = mask.*x(:,1:options.numOfSub,:);

Error in main (line 64)
[dataset,options] = dataPrep(d1.dataset.channels, options);

[usam22]

Hi, I am facing those errors during running the codes.I hope u can help me to make those codes run properly.
1-In the channel mapping (main.m)
Error using load
Unable to read file 'D:\channel mapping github\rawData'. Input cannot be a directory.

Error in main (line 50)
load(options.rawDataFile1);
2- In the DeepMIMO_Dataset_Generator.mat
Error using load
Unable to read file '.\Raytracing_scenarios\I1_2p4\I1_2p4.BSBS.params.mat'. No such file or directory.

Error in validate_parameters>additional_params (line 48)
load([params_inner.scenario_files, '.BSBS.params.mat']) % BS2BS parameter file

Error in validate_parameters (line 3)
[params, params_inner] = additional_params(params);

Error in DeepMIMO_generator (line 12)
[params, params_inner] = validate_parameters(params);

Error in DeepMIMO_Dataset_Generator (line 7)
[DeepMIMO_dataset, dataset_params] = DeepMIMO_generator(dataset_params);