Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/81412",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f1e31fd4-ca8c-4562-bd00-29cfd3ee057e",
      "cw-3a022c59-a8a8-4be3-8b43-c9a99adc19b3"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-06d41883-d88c-4af5-a285-8e2124fa9dd1",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/81412",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-3a022c59-a8a8-4be3-8b43-c9a99adc19b3"
  }
}