.sh: 1: dustmasker: not found

[BhawnaY16]

I ran the command krakenuniq-download --db DBDIR --dust microbial-nt and I am getting this error
Writing DBDIR/library/nt-archaea.fna ... Done, wrote 374875 sequences for 14411 taxa (took 36s).
DBDIR/library/nt-archaea.fna check [2.07 GB]
Masking low-complexity sequences [dustmasker -infmt fasta -in DBDIR/library/nt-archaea.fna -level 20 -outfmt fasta | sed '/^>/! s/[^AGCT]/N/g' > DBDIR/library/nt-archaea-dustmasked.fna.tmp && mv DBDIR/library/nt-archaea-dustmasked.fna.tmp DBDIR/library/nt-archaea-dustmasked.fna] ...sh: 1: dustmasker: not found
It would be appreciated if someone can help me with this.

[sjaenick]

You need to install Blast+.