I have been using the mdf() function for quite a while now for GUI tools to convert mdf files etc.
Somewhere between Matlab 2018b and 2019b the mdf() function lost its ability to interpret German umlauts within the input string. I get the error message:
"Can't create a std::string from this data"
For example, this error appears when I try to read a file called "äb.mf4". It was still possible on Matlab 2017b and 2018b.
Any way to deal whith this? I cannot use strrep or other functions as I cannot change the names of my input file names or paths accordingly.