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Linking .Net fieldnames error

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Mohammed Hagras
Mohammed Hagras on 20 Apr 2016
Closed: MATLAB Answer Bot on 20 Aug 2021
I am linking a function to .Net by creating .dll file. The code works correctly on Matlab but, when I am trying to use the function I get this error: "An unhandled exception of type 'System.Exception' occurred in MWArray.dll
Additional information:
... MWMCR::EvaluateFunction error ...
Undefined function 'fieldnames' for input arguments of type 'cell'."
The .net code is simply calling the function with no arguments
Using the debugger on matlab raw features holds 3 named structs and works well on matlab

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