C#: "SetDestination" can only be called on an active agent that has been placed on a NavMesh. UnityEngine.AI.NavMeshAgent:SetDestination(Vector3) : r/Unity3D
SetDestination can only be called on an active agent that has been placed on a navmesh - YouTube
setdestination can only be called on an active agent that has been placed on a navmesh : r/Unity3D
Making a RTS game #12: Moving character units (Unity/C#) – Mina Pêcheux