Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/71202",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-b1cd053f-61d8-4b34-8091-1bf1952f0d37",
      "cw-25970317-ad3c-4954-87b9-b55ccb1ad70c"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-d5c2afc8-3a46-42b8-bac8-f58bac86c634",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/71202",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-25970317-ad3c-4954-87b9-b55ccb1ad70c"
  }
}