Yes, I reproject to WGS84 and I did the classification from this data. I have tried again only with bands B1, B2, B3 and B4 and still with problem, didn’t show up the result. The frequencies appears with “?”
I think it’s strange, because the KNN and Minimal Distance ratings worked with this same data (NDVI,NDWI,GNDVI and B1,B2,B3,B4).
Here are the results:
This is the result for KNN classification for the same data: