save - Compiled Matlab mat file corruption -

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i have compiled application cannot save user defined objects. when try load mat file in program crashes access violation error. mat file cannot loaded in matlab either (appears corrupt). however, application runs smoothly before compilation. possible causes this?

classdef audio < handle  properties     ... end  methods     function self = audio()         ...     end end  end  = audio(); b = audio(); c = audio(); audiovector = [a,b,c]  save(somefullpath, 'audiovector')


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