[Bioperl-l] bioperl DB error

[snoze pa]

Dear Users,
 I am using bioperl/iosql and trying to install ncbi taxonomy. But I am
getting following error message.
any help? thanks in advance

perl load_ncbi_taxonomy.pl -download -driver mysql -dbname bioseqdb -dbuser
root
Loading NCBI taxon database in taxdata:
        ... retrieving all taxon nodes in the database
        ... reading in taxon nodes from nodes.dmp
        ... insert / update / delete taxon nodes
failed to insert node (10090;10090;10088;species;1;2): Duplicate entry
'10090' for key 2 at load_ncbi_taxonomy.pl line 568.