Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/70900",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-95418b35-c389-43ea-9c96-99f3843e9626",
      "cw-b5866047-23d9-4c80-a735-9bff8b7b3f98"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-b872b027-060f-4d07-9256-0b74c0283d0b",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/70900",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b5866047-23d9-4c80-a735-9bff8b7b3f98"
  }
}