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ValueError column index exceeds matrix dimensions

ERROR in using biom convert

# Convert tab separated text file to .biom file
biom convert -i mytable.csv -o mytable.biom --table-type="OTU table" --to-hdf5

ValueError: column index exceeds matrix dimensions


Problem: might be a empty field in the top left corner

Solution: Add "Taxa" on top as header in the left (first) column, if header is missing