Welcome back @kmw !
This error appears to be due to a formatting issue with the MEGAN taxonomy — either one of the feature IDs is missing its taxonomy label, or the labels are not semicolon-delimited. See these two topics for details:
Hello! I am having a similar issue to a few other threads, but I still can't quite figure out what is wrong. I am trying to use the QIIME2 pipeline on ITS2 amplicons for the algae Symbiodinium (found in corals). There is a small Symbiodinium database that is available for this, which I have used to run closed-reference feature clustering at 97% (I first tried using a naive-bayes trained classifier, but with such a small database, my final taxa barplots did not give enough resolution, I believe d…
Hi Nicholas,
I am almost there but have a structure error in my data which I do not get. git page
Could you please point me to a way to correct this !
head taxonomy_export/taxonomy.tsv taxonomy_genus/taxonomy.tsv taxonomy_species/taxonomy.tsv
==> taxonomy_export/taxonomy.tsv <==
Feature ID Taxon Consensus
00020107f579a17c6029b07351bf5744479bd7c8 D_0__Bacteria;D_1__Firmicutes;D_2__Bacilli;D_3__Bacillales;D_…
Good luck!