A wall and a room separation line overlap. One of them may be ignored when Revit finds room boundaries. Shorten or delete the room separation line to remove the overlap.

public static FailureDefinitionId WallRoomSeparationOverlap { get; }

Public Shared ReadOnly Property WallRoomSeparationOverlap As FailureDefinitionId
	Get

public:
static property FailureDefinitionId^ WallRoomSeparationOverlap {
	FailureDefinitionId^ get ();
}