Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/71054",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-ecff1ead-f330-43f8-af77-432cbac32294",
      "cw-5a4beae0-5789-477d-84a0-bf0bf96d69e3"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-96000b30-a37f-472e-a2ed-70ef6d1a2a1b",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/71054",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-5a4beae0-5789-477d-84a0-bf0bf96d69e3"
  }
}