The splitting boundary drawn would result in a self-intersection of the surface boundary. Please edit your splitting lines to correct the problem.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 24.0.0.0 (24.0.0.0)

Syntax

C#
`public static FailureDefinitionId SurfaceSelfIntersection { get; }`

Visual Basic
`Public Shared ReadOnly Property SurfaceSelfIntersection As FailureDefinitionId Get`

Visual C++
`public: static property FailureDefinitionId^ SurfaceSelfIntersection { FailureDefinitionId^ get (); }`

See Also