Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/75543",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-c81f3962-4cb5-4332-8343-dccf53ac3222",
      "cw-79c5ee60-af7a-4d01-a106-adf47bd8f94f"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-dbdf0c97-5eeb-4263-8972-09d3640e904b",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/75543",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-79c5ee60-af7a-4d01-a106-adf47bd8f94f"
  }
}