Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/58040",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-12517788-09d2-41be-8edc-19dc02fe6deb",
      "cw-7aedefda-acc6-4370-a679-1a8a89d05c65"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-67586951-a775-4ec1-98ee-f64099d04720",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/58040",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-7aedefda-acc6-4370-a679-1a8a89d05c65"
  }
}