TrainVectorClassifier error

Hi, guys

I tried to train classifier in OTB ver7, but I got same error message as below.

2020-07-05 14:36:57 (FATAL) TrainVectorClassifier: Caught std::exception during application execution: invalid stod argument

I changed value from string to number about LandCover, it still doesn’t work.
I found old post about it, but I don’t know how to solve it.
Please let me know how to treat it…

Oh, I solved it after changing value, sorry

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