Unity 资源包导入报错 “Substance engine failed to load“

相关报错：
`UnityEngine.ProceduralMaterial' is obsolete: `Built-in support for Substance Designer materials has been removed from Unity. To continue using Substance Designer materials, you will need to install Allegorithmic's external importer from the Asset Store.'
"Substance engine failed to load"
解决办法:
去Asset Store下载Substance in Unity插件并导入
Substance in Unity | Utilities Tools | Unity Asset Store

Unity 资源包导入报错 “Substance engine failed to load“最先出现在Python成神之路。