BUG
When using Oracle's Data Pump Import utility with the option to import an entire schema, which includes tables with st_geometry attributes and spatial indexes, the Oracle error ORA-20091 may occur.
Using the Oracle Data Pump Import utility or the original import utility, the Oracle error ORA-20091 may occur.
The reason of the cause is an invalid variable assignment within st_type_export.validate_spref.
This is a specific problem introduced in ArcGIS 9.2 Service Pack 5.
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