Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/25715",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-ac7d87c1-0e41-4fbc-8255-ffac2ca21e7d",
      "cw-9901a234-a22d-4d3a-8bcd-58db6711eda2"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-cd54140b-a6b8-43d1-84aa-29ad25f51ac7",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/25715",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-9901a234-a22d-4d3a-8bcd-58db6711eda2"
  }
}