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.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 26.4.0.0 (26.4.0.0)
Syntax
C#
public static FailureDefinitionId WallSpaceSeparationOverlap { get; }