The current edits are causing some webs to disjoin. The truss layout family requires additional constraints to maintain these joins.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 26.4.0.0 (26.4.0.0)
Syntax
C#
public static FailureDefinitionId TrussNotJoinedWebs { get; }