Area Reinforcements are colliding. Aligning the Major Directions, or changing the Additional Offsets, can prevent collision.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 26.2.0.0 (26.2.0.0)
Syntax
C#
public static FailureDefinitionId AreaReinforcementsCollision { get; }