ORA-13345: a compound polygon geometry

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ORA-13345: a compoundpolygon geometry has fewer than five coordinates
Cause: A geometry, specified as being a compound polygon, hasfewer than five
coordinates in its definition.
Action: Acompound polygon must contain at least five coordinates. A compound
polygon consists of at least one arc and one line, each of which must be described
using three and at least two distinct coordinates respectively. Correct the
geometric definition, or set the appropriate SDO_GTYPE or SDO_ETYPE attribute
for this geometry.