# Plugin error from sample-classifier: Value must have type '\<class 'int'\>'

**URL:** https://forum.qiime2.org/t/plugin-error-from-sample-classifier-value-must-have-type-class-int/18550
**Category:** Technical Support
**Created:** [February 18, 2021, 3:27am UTC](https://forum.qiime2.org/t/plugin-error-from-sample-classifier-value-must-have-type-class-int/18550 "2021-02-18T03:27:48Z")
**Posts on this page:** 1
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### Author: ![Nicholas\_Bokulich](https://forum.qiime2.org/user_avatar/forum.qiime2.org/nicholas_bokulich/32/19937_2.png) [@Nicholas\_Bokulich](https://forum.qiime2.org/u/Nicholas_Bokulich)
#### Post date: [February 18, 2021, 5:18am UTC](https://forum.qiime2.org/t/plugin-error-from-sample-classifier-value-must-have-type-class-int/18550/2 "2021-02-18T05:18:19Z")

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Hi @prdas,

> [@prdas](#):
>
> My current pandas version is 0.25.0. When I tried to install it to version 1.1.5, it gives the following error and hence I downgraded it back to version 0.25.0:

As you surmised, the issue is that you have the wrong version of pandas installed. At some point you must have installed something in your conda environment that illegally downgraded pandas. See here for related discussion:

> [@Longitudinal Error message](https://forum.qiime2.org/t/longitudinal-error-message/18235/7):
>
> The numeric values definitely do not need to be sorted by value @mfbeuq could you please report the pandas version installed in your environment? (type conda list pandas into the terminal) Is this a "fresh" QIIME 2 isntallation or have you done anything to the environment? I ask because the error message indicates that this is exploding at a very unusual line: This is suggesting to me that the pandas version may be at fault? Thanks @mfbeuq! hang in there! P.S., I recategorized as "technica…

I recommend creating a fresh installation.

Good luck!

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