# PICRUSt : Error message when "Normalize By Copy Number"

**URL:** https://help.galaxyproject.org/t/picrust-error-message-when-normalize-by-copy-number/5907
**Category:** Uncategorized
**Tags:** galaxy-biobakery, usinggalaxy, picrust
**Created:** [May 5, 2021, 6:15pm UTC](https://help.galaxyproject.org/t/picrust-error-message-when-normalize-by-copy-number/5907 "2021-05-05T18:15:23Z")
**Posts on this page:** 1
**Showing post:** 4

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### Author: ![jennaj](https://sea2.discourse-cdn.com/flex020/user_avatar/help.galaxyproject.org/jennaj/32/27_2.png) [@jennaj](https://help.galaxyproject.org/u/jennaj)
#### Post date: [November 28, 2022, 8:44pm UTC](https://help.galaxyproject.org/t/picrust-error-message-when-normalize-by-copy-number/5907/4 "2022-11-28T20:44:30Z")

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Hi @Shakthee_Silvaraju and @VinceBilly

To get help when working at this specific server, you’ll need to contact them directly as they do not track this forum,

General info:

> [@Problems with Plot Cladogram -- http://huttenhower.sph.harvard.edu/galaxy/](https://help.galaxyproject.org/t/problems-with-plot-cladogram-http-huttenhower-sph-harvard-edu-galaxy/5877/2):
>
> The tool you are using is specific to the `http://huttenhower.sph.harvard.edu/galaxy/` domain-specific public Galaxy server.
> 
> The tools and protocols hosted there differ significantly from the `Lefse` tools hosted at most other public Galaxy servers (including usegalaxy.\* servers).
> 
> The administrators of that particular public Galaxy server do not track this forum. Instead, contact them directly, after double-checking your protocol and inputs against the help/tutorials they offer (below).
> 
> - Contact: [Huttenhower Lab](https://galaxyproject.org/use/huttenhower-lab/)
> 
> Help/tutorials: (also linked from the server’s home page, with example data available):
> 
> - [lefse – The Huttenhower Lab](https://huttenhower.sph.harvard.edu/lefse/)
> - [lefse · biobakery/biobakery Wiki · GitHub](https://github.com/biobakery/biobakery/wiki/lefse)
> 
> Prior Q&A and other related resources including other versions of this tool and different tools that may be helpful when working with this type of data:
> 
> - Lefse Cladogram prior Q&A at this forum: [Search results for ‘Cladogram’ - Galaxy Community Help](https://help.galaxyproject.org/search?q=Cladogram)
> - All Galaxy resources: [Searching the Galaxy](https://galaxyproject.org/search/?q=cladogram#gsc.tab=0&gsc.q=cladogram&gsc.page=1)

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_[View the full topic](https://help.galaxyproject.org/t/picrust-error-message-when-normalize-by-copy-number/5907)._