Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/50247",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-aa881818-92a0-45f0-92c6-c12df28ce201",
      "cw-ebc6b14c-bd58-4261-bc16-def54010545d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-93dc91dc-d478-4600-8824-d85f28b9586f",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/50247",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ebc6b14c-bd58-4261-bc16-def54010545d"
  }
}