'Spss modeler is reading the data type of my categorical fields, imported from a CSV file, as 'typless'.How do I fix this?

I am new to Spss Modeler. I am trying to import a csv file. The storage (integer, string) were read correctly, but on the Types tab, I clicked on read values and noticed all the data type of the categorical fields are been read as "Typless" while the continous fields are read correctly. I have a total of 38 fields but only 12 (continous)fields were read correctly. All others( Categorical) came back as typless. I have cleaned the data set as much as possible before importing.I am trying to build a predictive model but stuck at this point! How do I fix this?



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