Description
The areal units specified are not valid units. These are unit of measure keywords: ACRES | ARES | HECTARES | SQUARE CENTIMETERS | SQUARE DECIMETERS | SQUARE INCHES | SQUARE FEET | SQUARE KILOMETERS | SQUARE METERS | SQUARE MILES | SQUARE MILLIMETERS | SQUARE YARDS | SQUARE MAP UNITS |UNKNOWN.
Solution
Review the units and update accordingly.