When a multi-segmented line is made up of only two curves, the Split Selected Lines tool fails with the following error message, "The Geometry has no Z values processing feature OID:."
If possible, replace one of the curve segments with a straight line segment. To do so, follow the steps below: 1. Delete the last vertex of the line.2. Add a separate straight line segment at the end of the curve.3. Merge the two segments using the Merge command on the Editor toolbar.OrAdd a straight line segment before or after the two curve segments by adding the straight line segment on one end of the curves and merging the two segments using the Merge command on the Editor toolbar.