Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/3056",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a7d72d71-b89a-4ba4-a870-7bb5ab59af0c",
      "cw-da79d7ec-5089-453b-8f8d-a7073436a221"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-f52f3705-5d2b-4f20-ba96-e3263590bf82",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/3056",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-da79d7ec-5089-453b-8f8d-a7073436a221"
  }
}