VERIFIED SOLUTION i
Products affected: Confirm®
You receive the error message: "Unable to perform Split. Feature must be of a linear Feature Group" in Confirm when trying to use the Split Feature operation.
This is due to the 'Feature Group Class' field on the features corresponding Feature Group being set to Discrete Asset and not Linear Asset.
ResolutionUPDATED: September 12, 2017
Open the Feature Group screen in Confirm, recall the required Feature Group and check to make sure the 'Feature Group Class' field is set to Linear Asset.