Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/81425",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-5881db12-4a9a-4a9f-b40b-27687ead5b81",
      "cw-c34ec9df-abdc-4f91-9982-d7e1ca23ddf1"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-fba036e1-486f-4bd2-9f6a-3c9cc864c345",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/81425",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-c34ec9df-abdc-4f91-9982-d7e1ca23ddf1"
  }
}