mphshowerrors(model) shows the error and warning messages stored in the model and where they are located. The output is displayed in the command window.
list = mphshowerrors(model) returns the error and warning messages stored in the model and where they are located in the
N-by-3 cell array list,
N corresponding to the number of errors or warning found in the model object. The first column contains the node of the error, the second column contain the error message and the third column contains a cell arrays of the model tree nodes that contain the error information, which can help for automated processing of error and warning conditions.