Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/5539688",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-73c65fd4-1659-4e7e-9798-14eec790f49c",
      "cw-8a212b49-34e5-4be0-8e20-aedfe1228554"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-e8216264-86fd-4550-8112-5b95bb685acf",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/5539688",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-8a212b49-34e5-4be0-8e20-aedfe1228554"
  }
}