Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/5680",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-75602df6-75df-4ce3-8208-6ef906604fc9",
      "cw-819d0ada-1a62-4c81-9294-73237c4acf95"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-e88b7853-4294-4461-aeec-f2d5c8ad6370",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/5680",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-819d0ada-1a62-4c81-9294-73237c4acf95"
  }
}