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

public static FailureDefinitionId WallSpaceSeparationOverlap { get; }

Public Shared ReadOnly Property WallSpaceSeparationOverlap As FailureDefinitionId
	Get

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