Assets\GooglePlayGames\Editor\NearbyConnectionUI.cs(137,17): error CS0234: The type or namespace name 'VersionHandler' does not exist in the namespace 'Google' (are you missing an assembly reference?)

/Packages/manifest.json 이거 없으면 유니티 열었을때 에러 발생함.

 

{
  "dependencies": {
    "com.google.external-dependency-manager": "1.2.156",
    "com.unity.ads": "2.0.8",
    "com.unity.analytics": "3.2.3",
    "com.unity.collab-proxy": "1.2.15",
    "com.unity.package-manager-ui": "2.0.8",
    "com.unity.purchasing": "2.0.3",
    "com.unity.textmeshpro": "1.4.1",
    "com.unity.modules.ai": "1.0.0",
    "com.unity.modules.animation": "1.0.0",
    "com.unity.modules.assetbundle": "1.0.0",
    "com.unity.modules.audio": "1.0.0",
    "com.unity.modules.cloth": "1.0.0",
    "com.unity.modules.director": "1.0.0",
    "com.unity.modules.imageconversion": "1.0.0",
    "com.unity.modules.imgui": "1.0.0",
    "com.unity.modules.jsonserialize": "1.0.0",
    "com.unity.modules.particlesystem": "1.0.0",
    "com.unity.modules.physics": "1.0.0",
    "com.unity.modules.physics2d": "1.0.0",
    "com.unity.modules.screencapture": "1.0.0",
    "com.unity.modules.terrain": "1.0.0",
    "com.unity.modules.terrainphysics": "1.0.0",
    "com.unity.modules.tilemap": "1.0.0",
    "com.unity.modules.ui": "1.0.0",
    "com.unity.modules.uielements": "1.0.0",
    "com.unity.modules.umbra": "1.0.0",
    "com.unity.modules.unityanalytics": "1.0.0",
    "com.unity.modules.unitywebrequest": "1.0.0",
    "com.unity.modules.unitywebrequestassetbundle": "1.0.0",
    "com.unity.modules.unitywebrequestaudio": "1.0.0",
    "com.unity.modules.unitywebrequesttexture": "1.0.0",
    "com.unity.modules.unitywebrequestwww": "1.0.0",
    "com.unity.modules.vehicles": "1.0.0",
    "com.unity.modules.video": "1.0.0",
    "com.unity.modules.vr": "1.0.0",
    "com.unity.modules.wind": "1.0.0",
    "com.unity.modules.xr": "1.0.0"
  },
  "scopedRegistries": [
    {
      "name": "Game Package Registry by Google",
      "url": "https://unityregistry-pa.googleapis.com",
      "scopes": [
        "com.google"
      ]
    }
  ]
}

 

해당파일은 Google Play Game Service SDK 설치시 생성됨(?)