InconsistentNAHandler failed - What does this mean?

Hi,
Can anyone explain me what this error(inconsistentNAHandler) is about? I'm trying to load Hierarchy, but the script fails with this error.


<N 2013Jan22 14:06:02.642>
<N 2013Jan22 14:06:02.644> Child of inconsistentNAHandler
<N 2013Jan22 14:06:02.644> Now processing '/db/mq/tst01/ar/domains/mq_ar_g005/mq_ar_d00508'.
<N 2013Jan22 14:06:02.644>
<D 2013Jan22 14:06:02.644>
<D 2013Jan22 14:06:02.644>
<D 2013Jan22 14:06:02.644> Program inconsistentNAHandler arguments:
<D 2013Jan22 14:06:02.644>
<D 2013Jan22 14:06:02.644>   arg[ 1]='-processes'
<D 2013Jan22 14:06:02.644>   arg[ 2]='child'
<D 2013Jan22 14:06:02.644>   arg[ 3]='-logfile'
<D 2013Jan22 14:06:02.644>   arg[ 4]='/db/mq/tst01/ar/domains/mq_ar_g005/output/inconsistentNAHandler201301221406p019432b00/subdomain0000.log'
<D 2013Jan22 14:06:02.644>   arg[ 5]='-loglevel'
<D 2013Jan22 14:06:02.644>   arg[ 6]='All'
<D 2013Jan22 14:06:02.644>   arg[ 7]='-domainindex'