Error with random forest and bands' names

I tried to run a classification with RF on a stacked file (radar stack tool), but i get this error:

Now the problem is that i can’t understand why i get it since all my bands’ names are different

Any idea about how to solve this?

Could you remove all the suffix “db” and rename all bands, and try up again.

Ok, i will give a try, but still don’t understand this error because all the bands’ names are different.

Ok, I found now within the forum similar issue of yours, please have a look, and the solution is to rename the bands, but in the way is mentioned within one post of the thread,

Source of the thread

Thanks a lot for helping