Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/25211",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-b06f16b3-5d50-47f5-9fd2-518fe79ecdf2",
      "cw-6024845e-7ef1-43fc-abd6-aef6dd3baf66"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-aac33819-8774-4adf-8b74-5a1384f2c1ce",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/25211",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-6024845e-7ef1-43fc-abd6-aef6dd3baf66"
  }
}