Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/69382",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d3ffd588-a0fd-405f-b51f-5bbd6542e131",
      "cw-d4a0a49c-a02f-40d9-bf79-94fdef90dc50"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-7ed7b93f-b46a-49aa-863f-a7ff7a7116d0",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/69382",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-d4a0a49c-a02f-40d9-bf79-94fdef90dc50"
  }
}