Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/818800",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-e3172224-9340-4acb-97b8-b79d6cb1448d",
      "cw-12fe8051-d05b-40d2-b912-308bb26ffeff"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-38213347-1f6d-4c6a-a22b-9af96c43a842",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/818800",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-12fe8051-d05b-40d2-b912-308bb26ffeff"
  }
}