170034: The helipad safety area with OBJECTID = <value> is not rectangular as it does not have exactly 4 corners close to 90 degrees.
Description
The input helipad safety area feature must be rectangular.
Solution
Ensure that the input helipad safety area features are rectangular. Polygonal features, such as octagons, are not permitted.
Also review the input helipad safety area features for NULL geometry. NULL geometry is not supported.