Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/73727",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a68f9494-bb1f-421b-9b19-1568b9247418",
      "cw-751bc850-40b7-4377-8b57-9b4046f5e473"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-c723108e-d173-4089-8d25-71f459d2ea07",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/73727",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-751bc850-40b7-4377-8b57-9b4046f5e473"
  }
}