#8 XML Parser ERROR!!!

[Anonymous]

Yet another 50000 rows reached! - structure RDF
document
Time and date: [04/26/04 - 18:22:32]
Run-time for the script: 1:50:44
Rows inserted: 1250000

XML parser error (error code 73): < required

The size of the structrue.RDF which hadn't cleaned was
500M......but when it cleaned it was just only
300M....what had it happened???
AND how can i solve the XML_ERROR problem?
Thanks,need your help!!!