Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/3931373",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-6468d31d-4c91-4e30-8bad-54a12a29838d",
      "cw-60fecd46-a14f-44dc-8e9e-356f63a1fb55"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-025a4105-537e-41a7-b2b4-6176b36c7e0a",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/3931373",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-60fecd46-a14f-44dc-8e9e-356f63a1fb55"
  }
}