Hi, I’m getting a fatal error when trying to run the tool ‘Join two datasets side by side on a specified field’. Both files are tabular and I’m following the instructions in a tutorial. Can anyone help? Happy to share my history, here’s a screenshot of the error:
Welcome @kate2
I can reproduce the error with test data at UseGalaxy.eu. There seems to be a small configuration issue. I’ve reported the problem through a bug report and included a link to this topic and expect them to follow up when they can. Issue tracking ticket: Correct join1 configuration please · Issue #1806 · usegalaxy-eu/infrastructure-playbook · GitHub
Meanwhile, you don’t have to wait! We can probably come up with another way to do the manipulation. Are you following one of the tutorials for this tool? Or would you like to share back a screenshot of your datasets? The peek view in the history panel is probably enough.
The other option is to move your history over to a different server and then run the tool there instead. Follow all of the default steps from the History → Export History to File to generate a link. (RO Crate, Temporary Link). Then, at the other server, go to Activity panel → Histories → Import History (top right corner). Paste in your link, leave everything else at the defaults again, and the history will move over intact. If you history is really large, you could also just copy the datasets involved into a new history, move that over, then move it back.
I just tested and the tool is fine at UseGalaxy.org if you want to try there.
Thank you for reporting the problem! All the server administrators are working to get things tuned up as they come back from the Holidays. Learning about wrinkles is very useful for us!
And, if you’d like to try to find a different method instead, there are a few versions of these join tools and they do have some overlap. We can probably come up with an alternative method together if you would like to explore that. 
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Thanks @jennaj, it appears to have now been fixed. Heatmap2 is not working either, I sent the report bug so hopefully that too will be fixed - or it may be something I’m doing wrong! I’ve attached the error report below. Happy New Year!
Hi @kate2
Glad that they could correct this so quickly!
Then, for the Heatmap2 tool error, this seems to be directly from the tool, and is likely due to the inputs/parameters.
This is an example of a similar prior error topic. → Fatal error: heatmap2 tool
In short, there is likely a non-numerical or 0 value in the column referenced (10). This is confusing R.
The solution can be using slightly different parameters. If you would like help with this, we would need to see the input data and the job details. Would you like to share back the history?
@jennaj thanks for you response, it turned out there was a spurious column of gene ids at the far end of the table - I think the section Visualization of the normalized counts (specifically the cut instruction) in tutorial Reference-based RNA-Seq data analysis may need to be modified, however I was using the tutorial as a guide rather than running the tutorial data so it may have been my own data that was incorrect. Thanks again for your help.
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Thanks @kate2 for sharing those details. I’ll review that tutorial step and get a correction in if something is now outdated! Maybe one of the tools had an update. Students would use the original versions but for practical use, using the current is usually the best choice. Thanks again! 