# Invalid value for “–i-classifier”
**URL:** https://forum.qiime2.org/t/invalid-value-for-i-classifier/13396
**Category:** Technical Support
**Created:** [January 29, 2020, 12:22pm UTC](https://forum.qiime2.org/t/invalid-value-for-i-classifier/13396 "2020-01-29T12:22:37Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@Rich](https://forum.qiime2.org/u/Rich)
#### Post date: [January 29, 2020, 12:22pm UTC](https://forum.qiime2.org/t/invalid-value-for-i-classifier/13396/1 "2020-01-29T12:22:37Z")
Thanks for Mike's work
However, does anyone try SILVA 138 classifier?
I am new to qiime2. I've tried this classifier but failed.
The error message showed: "(1/1) Invalid value for "--i-classifier": 'SILVA-138-SSURef-full-length-classifier.qza' is not a QIIME 2 Artifact (.qza)"
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### Author:  [@SoilRotifer](https://forum.qiime2.org/u/SoilRotifer)
#### Post date: [January 29, 2020, 2:27pm UTC](https://forum.qiime2.org/t/invalid-value-for-i-classifier/13396/2 "2020-01-29T14:27:24Z")
Hi @Rich,
Welcome to :qiime2:!
I just downloaded the classifier, from the link I posted, and ran it myself. It worked fine on my end. I would suggest re-downloading the file as it could have become corrupted and/or the download didn't actually complete. I assume you are running QIIME 2 version 2019.10?
-Best wishes!
-Mike
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### Author:  [@Rich](https://forum.qiime2.org/u/Rich)
#### Post date: [January 30, 2020, 12:23pm UTC](https://forum.qiime2.org/t/invalid-value-for-i-classifier/13396/3 "2020-01-30T12:23:07Z")
Thank you to @SoilRotifer
I am using QIIME2 v2019.10
I don't know what happened to my wget, but it works after I re-download it.
Really thanks