Issues with creation of the file "taxonomy.qza"

Hi. I'm having a big issue with classify-sklearn in qiime2.

I have this code:
qiime feature-classifier classify-sklearn **
--i-classifier silva-138-99-tax.qza
--i-reads ref-seqs.qza **
--o-classification taxonomy.qza

And I receive this error:

There was a problem with the command:
(1/1) Invalid value for '--i-classifier': Expected an artifact of at least
type TaxonomicClassifier. An artifact of type FeatureData[Taxonomy] was
provided.

I tried to resolve it working with Rescript but it doesn't work as well.

Thanks in advance for your response.

Welcome on the forum!
Based on the error details your provided as classifier artifact is actually taxonomy file, not the classifier, expected by the plugin.
Please, check if your input file is correct.

Best,

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