Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/71277",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-ca4c6291-563d-44ae-b6bc-950c756c386d",
      "cw-fb119886-823b-4acd-a7bb-3fca8903f1de"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-736aa4c2-737d-4129-8198-e003129e4bdd",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/71277",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-fb119886-823b-4acd-a7bb-3fca8903f1de"
  }
}