"Denoise Speech Using neural networks" Example

https://in.mathworks.com/help/deeplearning/ug/denoise-speech-using-deep-learning-networks.html

i am getting these errors while using the given code.

Error using tall/cellfun (line 19)

[varargout{1:max(1, nargout)}] = funfunCommon(@cellfun, fcn, {'cell'}, varargin{:});

First input must be a positive scalar integer value IMAX, or two integer values [IMIN IMAX] with IMIN

less than or equal to IMAX.

Learn more about errors encountered during GATHER.

Error in AATUL (line 92)

[targets,predictors] =

cellfun(@(x)HelperGenerateSpeechDenoisingFeatures(x,noise,src),T,"UniformOutput",false);

Error in tall/gather (line 50)

[varargout{:}, readFailureSummary] = iGather(varargin{:});

Error in AATUL (line 93)

[targets,predictors] = gather(targets,predictors);

[Oscar Caraballo]

Same issue. Any suggestions? Thanks