This is my first week using Qiime2 therefore apologies for any basic questions. Could you please look into this error, which is the opposite of the above mentioned error? I am running Qiime2 on a supercomputer. How can I fix this? irshad@ln0004 [~/rawdata/16srna/shi7_learning/fastqs_stitched] % qii…

Hi @Irshad ! The scikit-learn version (0.21.2) used to generate this artifact does not match the current version of scikit-learn installed (0.20.2). Scikit-learn requires you to use a classifier that was trained with the same version as scikit-learn that you're using to run your command. This pro…

I have the exact same problem! Except mine says I have scikit-learn version 0.19.1. Based on this post, I downloaded an older version of the classifier from here , but it still gives the same error! Maybe you can try and let me know if this worked for you? I updated sklearn to the latest version man…

@kmz , are you mixing up your scikit-learn version with your qiime2 version? Edit: sciki-learn version 0.19.1 is pretty old. What version of QIIME 2 are you using? You might want to upgrade to the latest. There have been many improvements in the last couple years, including some that might save you …

@ChrisKeefe You are absolutely correct. I thought I had to match the sklearn version and not the qiime2 version! Now I downloaded the correct version and I'm running the code again, and no errors so far. Thank you! My qiime version is 2018.11. I will upgrade it since you think it's better to do so…

Hi Chris, Thank you for the insight. I think the best would be to ask the system admin for an upgrade to the latest version as it would improve the overall performance i.e. time to execute a job (as you mentioned in your answer to @kmz question ). I have requested for an upgrade which should be acc…

Glad to hear that worked for you, @kmz . There's always a little risk in software upgrades, but we have a pretty good track record so far. :slightly_smiling_face: Backward compatability is generally a priority, and changes are published every release, so you can spot workflow-breaking changes before…

Sounds like a plan, @Irshad . Do note that upgrading QIIME 2 to a new version won't upgrade your classifier, so if your classifier wasn't built with the newer version your sysadmin installs, you could still have a mismatch. I know this sounds pedantic, but people make this mistake all the time. If y…

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