# SILVA 138 Classifiers

**URL:** https://forum.qiime2.org/t/silva-138-classifiers/13131
**Category:** Data resources
**Created:** [January 9, 2020, 6:24pm UTC](https://forum.qiime2.org/t/silva-138-classifiers/13131 "2020-01-09T18:24:53Z")
**Posts on this page:** 1
**Showing post:** 46

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### Author: ![SoilRotifer](https://forum.qiime2.org/user_avatar/forum.qiime2.org/soilrotifer/32/21071_2.png) [@SoilRotifer](https://forum.qiime2.org/u/SoilRotifer)
#### Post date: [July 28, 2020, 2:57pm UTC](https://forum.qiime2.org/t/silva-138-classifiers/13131/46 "2020-07-28T14:57:09Z")

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Hi @farhad1990,

Sadly, if you would like to run the classifier in 2020.6, then you'll have to re-train them for that version of QIIME 2, as the sklearn version changes with each update. The best option in your case might be to make use of `qiime2-2020.2` for the classification step.

See this post for more details:

> [@update scikit-learn version](https://forum.qiime2.org/t/update-scikit-learn-version/15804/4):
>
> Hey @rparadiso! I will address this by answering some of the questions raised by @the_dummy & @devonorourke: Check this part of the error message to see which version the classifier was trained with: This is the right answer: if you're using an old version of QIIME 2 (which you might be, @rparadiso), then you just need to use the version of the pretrained classifier that was released with that version of QIIME 2. The easiest way to do that is to go to [docs.qiime2.org](http://docs.qiime2.org), and in the upper left…

Finally, check out initial post of this thread, it has been updated to redirect you to a new plugin. This should make it much easier for you to make a SILVA classifier.

-Best wishes  
-Mike

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