Question: Hi I make a classification model and after I made Onehotencoder and prepare data for column transformation and when I write preprocessor.fit it shows me

I make a classification model and after I made Onehotencoder and prepare data for column transformation and when I write preprocessor.fit it shows me an error

[

found unknown categories

["

"]

in column

0

during fit

]

I don't know what can I do I impute all the columns and put handle

_

unkown

=

"ignore" but the error still exist

Please help me

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