Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4854088",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-373b64be-8eed-4eec-a61d-09378b6393e5",
      "cw-250f4dfc-38f6-429a-bdea-e5f249d541c7"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-4d3435fb-4bb5-485f-a062-d8fd4617988b",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4854088",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-250f4dfc-38f6-429a-bdea-e5f249d541c7"
  }
}