Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/70880",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-0e734da7-77ba-4c4d-9bf7-ec1bd32b0bc4",
      "cw-c25d5bdf-fe5c-4054-a8dd-8b867e42967f"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a95fa37b-eb97-45e7-8b5d-fc89cee589dd",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/70880",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-c25d5bdf-fe5c-4054-a8dd-8b867e42967f"
  }
}