Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/4416",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-6ed378e9-3a16-438a-8818-6baad5b20daf",
      "cw-6008ea69-7c5d-4027-9af7-223835ac8768"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-3aab0806-907b-4545-ae6b-67db515487c5",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/4416",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-6008ea69-7c5d-4027-9af7-223835ac8768"
  }
}