Plugin error from feature-classifier classify-sklearn


I am completely new to QIIME2 and Virtual Machine. I have installed QIIME2 2019.01 version and was running the code from “Moving Pictures” tutorial:

qiime feature-classifier classify-sklearn
–i-classifier gg-13-8-99-515-806-nb-classifier.qza
–i-reads rep-seqs.qza
–o-classification taxonomy.qza

Then I got the error below:

Plugin error from feature-classifier:

The scikit-learn version (0.19.1) used to generate this artifact does not match the current version of scikit-learn installed (0.20.2). Please retrain your classifier for your current deployment to prevent data-corruption errors.

Debug info has been saved to /tmp/qiime2-q2cli-err-0zlksyc3.log

I found another person asking the same question on the forum, but I am still not sure if I am doing the right thing. I downloaded the most recent Greengenes (16S rRNA) "gg_13_8_otus.tar.gz " from the Marker gene reference databases. Link:

Then I am not sure how to import and install this gz file. Can anyone please help me with the step by step instructions?

Thank you.

Hi @ihl216!


That isn’t necessary. You appear to have downloaded an older version of gg-13-8-99-515-806-nb-classifier.qza. Simply delete and re-download from the latest docs.

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Sorry if I am asking a stupid question.Where can I get the latest version of “gg-13-8-99-515-806-nb-classifier.qza”? Thank you!

I have downloaded the new file and the error message has no longer existed.

Thank you!!

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