error CS0117: `OVRInput.Touch' does not contain a definition for `PrimaryThumbRest'

Unity Engine
1

Assets/OvrAvatar/Scripts/OvrAvatarLocalDriver.cs(21,41): error CS0117: OVRInput.Touch' does not contain a definition for PrimaryThumbRest’

2

Can anyone help me with this problem! I’ve been afflicted with this issue for days!