[Scribus] siod error in clunits

[bart at solozone.com]

I got the following error, which is self-explanatory
But I did this with the 452 sentences before, OK
bart at solozone.com

Making unit distance table for th (226)
$ESTDIR/bin/wagon -desc ./festival/clunits/all.desc -data ./festival/feats/th.feats -balance 0 -distmatrix ./festival/disttabs/th.disttab -stop 20 -output ./festival/trees/th.tree
./festival/feats/th.feats: bad value 6 in field pos_in_syl vector 96
./festival/feats/th.feats: bad value 6 in field pos_in_syl vector 168
./festival/feats/th.feats: bad value 6 in field pos_in_syl vector 202
Dataset of 226 vectors of 48 parameters from: ./festival/feats/th.feats
Right cluster 213 (94%) mean ranking 1 mean distance nan
Making unit distance table for ao (608)
$ESTDIR/bin/wagon -desc ./festival/clunits/all.desc -data ./festival/feats/ao.feats -balance 0 -distmatrix ./festival/disttabs/ao.disttab -stop 20 -output ./festival/trees/ao.tree
Dataset of 608 vectors of 48 parameters from: ./festival/feats/ao.feats
Right cluster 588 (96%) mean ranking 1 mean distance nan
Making unit distance table for pau (5205)
$ESTDIR/bin/wagon -desc ./festival/clunits/all.desc -data ./festival/feats/pau.feats -balance 0 -distmatrix ./festival/disttabs/pau.disttab -stop 20 -output ./festival/trees/pau.tree
Dataset of 5205 vectors of 48 parameters from: ./festival/feats/pau.feats
Right cluster 1791 (34%) mean ranking 1 mean distance nan
SIOD ERROR: wrong type of argument(2nd) to lessp : nan
closing a file left open: ./festival/trees/train_us_ba.tree
bart at linux:~/EST/data/train_us_ba_clunits>