Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/53372",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2d3a325e-66db-4286-b756-e0a9159d3d71",
      "cw-03e79f9f-d2cc-4264-bd44-0808b7e99a34"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-5a572746-e7fa-4cd2-bcd5-4945a2edc4f1",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/53372",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-03e79f9f-d2cc-4264-bd44-0808b7e99a34"
  }
}