Hi all, Just tried to install the 2026.1 version and got this error: ERROR conda.core.link:_execute(1033): An error occurred while installing package 'conda-forge::openmpi-4.1.6-hc5af2df_101'. Rolling back transaction: done LinkError: post-link script failed for package conda-forge::openmpi-4.1.6…

Hey @timanix , Thanks for all of this - everything looks as I'd expect, and these are all reasonable virtual package versions & system versions in your conda instance... That being said, since downgrading conda did fix the initial issue, I think we can table this for the time being - but I'll keep a…

Hey @timanix , yeah let's split this into a separate topic- I can go ahead and do that! I actually thought I had locked the announcement to prevent any replies, but maybe that doesn't apply to mods :sweat_smile:

Okay so just to get some more details @timanix , I'm guessing you're using the linux environment file (based on that last warning message)? Is this something you've ever run into with any prior QIIME 2 installs, or just 2026.1? And it looks like you updated (and then subsequently downgraded) your ver…

[image] lizgehret: Okay so just to get some more details @timanix It was the purpose of my post! [image] lizgehret: I'm guessing you're using the linux environment file (based on that last warning message)? Yes, I am using Ubunu 24.04 as main OS (not WSL). So I used the command for Li…

Hey @timanix , Thanks for following up; apologies for the delay! Okay so you are running on quite a modern version of ubuntu, it's interesting that downgrading conda had a positive effect... With regards to the outcome after you downgraded conda, you received those warnings & ClobberError but afte…

Hi @lizgehret [image] lizgehret: With regards to the outcome after you downgraded conda, you received those warnings & ClobberError but afterwards you were able to activate/use the environment as expected? Correct, I was able to analyse one dataset since. [image] lizgehret: Can you prov…

Hey @lizgehret , Thank you for keeping an eye on it - probably it is not crucial for 2026.1 release but may pop-up in later releses again. [image] lizgehret: please reach back out and let me know if you run into anything else unexpected! You probably already saw it somewhere, but with q2 ver…

[image] timanix: /home/ty/miniforge3/envs/qiime2-amplicon-2025.10/lib/python3.10/site-packages/unifrac/__init__.py:9: UserWarning: pkg_resources is deprecated as an API. See https://setuptools.pypa.io/en/latest/pkg_resources.html. The pkg_resources package is slated for removal as early as 2025-…

Hello! Also ran into this issues while installing qiime, and again downgrading conda helped - this occurs both on WSL and on native Ubuntu.

Just wanted to chime in to say I also had the same install error using WSL, and that downgrading to conda 25.11 also fixed it for me (since you’re paying attention to if others have this issue).

I just wanted to say that I also had the same issue using RHEL, and downgrading also worked for me. Thanks for your work on these issues!

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Trouble installing QIIME 2 2026.1

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