incompatible roles always appear only in certain data

CepinCepin Member Posts: 1 Newbie
I compiled naive bayes data. I have a training data set and naive Bayes data. The next stage is to read CSV then filter example, I have selected sentiment and is missing then nominal to text then process document from data which includes input tokenize, transform cases, stopword and filter token by length.
I connect it to the retrieve training data and I combine the previous data with the retrieve training data that I have created.
But why does incompatible role always appear (sentiment has different roles in the input sets {regular vs, label})
Meanwhile, I can still apply the same features to other data.
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