Assembly has duplicate references: nadena.dev.modular-avatar.core,nadena.dev.modular-avatar.core.editor,nadena.dev.ndmf,VRC.SDK3A,VRC.SDK3A.Editor,nadena.dev.ndmf.vrchat (Packages/nadena.dev.modular-avatar/Editor/ParamsUsage/nadena.dev.modular-avatar.param-introspection.asmdef)

[anatawa12]

Assembly has duplicate references: nadena.dev.modular-avatar.core,nadena.dev.modular-avatar.core.editor,nadena.dev.ndmf,VRC.SDK3A,VRC.SDK3A.Editor,nadena.dev.ndmf.vrchat (Packages/nadena.dev.modular-avatar/Editor/ParamsUsage/nadena.dev.modular-avatar.param-introspection.asmdef)

現在のPackages/nadena.dev.modular-avatar/Editor/ParamsUsage/nadena.dev.modular-avatar.param-introspection.asmdefの内容は以下のようになっています

{
  "name": "nadena.dev.modular-avatar.param-introspection",
  "rootNamespace": "",
  "references": [
    "GUID:fc900867c0f47cd49b6e2ae4ef907300",
    "GUID:5ce33783346c3124990afbe7b0390a06",
    "GUID:62ced99b048af7f4d8dfe4bed8373d76",
    "GUID:5718fb738711cd34ea54e9553040911d",
    "GUID:b906909fcc54f634db50f2cad0f988d9",
    "GUID:901e56b065a857d4483a77f8cae73588",
    "nadena.dev.modular-avatar.core",
    "nadena.dev.modular-avatar.core.editor",
    "nadena.dev.ndmf",
    "VRC.SDK3A",
    "VRC.SDK3A.Editor",
    "nadena.dev.ndmf.vrchat"
  ],
  "includePlatforms": [
    "Editor"
  ],
  "excludePlatforms": [],
  "allowUnsafeCode": false,
  "overrideReferences": false,
  "precompiledReferences": [],
  "autoReferenced": true,
  "defineConstraints": [
    "MODULAR_AVATAR_VRCSDK_AVATAR"
  ],
  "versionDefines": [
    {
      "name": "com.vrchat.avatars",
      "expression": "(0,999)",
      "define": "MODULAR_AVATAR_VRCSDK_AVATAR"
    }
  ],
  "noEngineReferences": false
}

• BlackStartx/VRC-Gesture-Manager#36
• kurotu/VRCQuestTools#17

と同類の問題だと思います

[bdunderscore]

ま　た　こ　れ　か