Invalid contributes.keybindings

[RuudV]

• Extension Name: vscode-multiclip
• Extension Version: 0.1.4
• OS Version: Darwin x64 17.7.0

• VSCode version: 1.26.1

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  {
  "messages": [
      {
          "type": 3,
          "message": "Invalid `contributes.keybindings`: property `key` is mandatory and must be of type `string`",
          "extensionId": "slevesque.vscode-multiclip",
          "extensionPointId": "keybindings"
      }
  ],
  "activationTimes": {
      "startup": true,
      "codeLoadingTime": 0,
      "activateCallTime": 0,
      "activateResolvedTime": 0,
      "activationEvent": "*"
  }
  }