Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/2743",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a87e43a4-78a7-4db0-85f8-c3221cc38495",
      "cw-cdb37f62-eae8-4eb9-b0cc-d28bd3a3a4c4"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-ae498b2e-5984-4a7a-bace-96d67132c849",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/2743",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-cdb37f62-eae8-4eb9-b0cc-d28bd3a3a4c4"
  }
}