Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/12606877",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-39fde3d6-7acb-4f7f-bbb7-efa3a9a39fa5",
      "cw-d52a3489-b3cc-409b-b6ad-7994f9ab4f41"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-1e0bcdeb-560c-42f2-839a-eb6aef195aa1",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/12606877",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-d52a3489-b3cc-409b-b6ad-7994f9ab4f41"
  }
}