Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/12284960",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-3262f3e1-d5aa-4a98-95f7-648fa4f5c208",
      "cw-3a8fe711-044d-435f-818a-694b5ae3dae2"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-36fd5786-9fea-4f4a-9883-05f4e8e6c8a2",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/12284960",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-3a8fe711-044d-435f-818a-694b5ae3dae2"
  }
}