Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/200878",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f11c9a1c-2dc2-4457-a8bf-688dcb07eab7",
      "cw-90ff1a57-8436-4667-b768-9b070850d6b6"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-daff9f98-5f2c-41c0-a400-df9928a4e776",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/200878",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-90ff1a57-8436-4667-b768-9b070850d6b6"
  }
}