Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4266289",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-cf708411-01eb-45d4-ba61-113c35618035",
      "cw-a4b7c957-14fe-48a1-bc59-6b27726d007a"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-20e671df-27b9-403e-92f8-fe245ce9be75",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4266289",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-a4b7c957-14fe-48a1-bc59-6b27726d007a"
  }
}