Mesh.uv4 is out of bounds. The supplied array needs to be the same size as the Mesh.vertices array.
UnityEngine.Mesh:SetUVs (int,System.Collections.Generic.List`1)
Outline:LoadSmoothNormals () (at Assets/ThirdParty/QuickOutline/QuickOutline/Scripts/Outline.cs:195)
Outline:Awake () (at Assets/ThirdParty/QuickOutline/QuickOutline/Scripts/Outline.cs:96)
Error with Unity 2021.2.2f:
Mesh.uv4 is out of bounds. The supplied array needs to be the same size as the Mesh.vertices array. UnityEngine.Mesh:SetUVs (int,System.Collections.Generic.List`1)
Outline:LoadSmoothNormals () (at Assets/ThirdParty/QuickOutline/QuickOutline/Scripts/Outline.cs:195)
Outline:Awake () (at Assets/ThirdParty/QuickOutline/QuickOutline/Scripts/Outline.cs:96)