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I got the following error message from kallisto quant, but kallisto seems to be on version 0.50.0 and it doesn't explain what those versions refer to.
[quant] fragment length distribution will be estimated from the data
Error: incompatible indices. Found version 10, expected version 12
Rerun with index to regenerate
kallisto version 0.50.0 utilizes an updated kallisto index. Therefore, if you made an index using an older version of kallisto, it will not work with kallisto 0.50.0.
As the message suggests, "rerun with index to regenerate" (means you have to run the "kallisto index" command on a reference transcriptome FASTA file to build a new index), as follows (example below uses 8 threads):
kallisto index -i new_index.idx -t 8 reference_transcriptome.fasta
I agree that "Rerun with index to regenerate" is clear. But what I & others online find unclear is "Found version 10, expected version 12" or "Found version 559903, expected version 10". Presumably this sentence can be improved to avoid some of that confusion.
Yeah, don't worry about the version numbers -- it's just for our own internal use (and those numbers are arbitrary and simply to prevent memory corruption when someone uses a wrong index). Though if someone found version 559903, that probably means that their index file was majorly corrupted in some way haha or maybe they accidentally supplied something like a text file, pdf file, image file, etc. rather than an index.
Anyway, feel free to post any further questions about kallisto -- I'm usually super responsive on GitHub :)
Hi,
I got the following error message from kallisto quant, but kallisto seems to be on version 0.50.0 and it doesn't explain what those versions refer to.
I've also seen others get error message e.g. "Error: incompatible indices. Found version 0, expected version 10" ENCODE-DCC/rna-seq-pipeline#19 and "incompatible indices. Found version 559903, expected version 10" (https://www.reddit.com/r/bioinformatics/comments/14dt9n5/suggestionsquestions_on_rna_seq_analysis_kallisto/) so I think there is an issue with the produced version numbers in this error message.
Thanks for the helpful software!
JD
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