Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/6958222",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-7d98510a-e980-4c5c-96d1-118786f197e5",
      "cw-fcba1d56-7603-463b-a019-bf0cab3340e5"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-6f9df211-6ec4-49cd-ad0b-ac0e0c4f4c2f",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/6958222",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-fcba1d56-7603-463b-a019-bf0cab3340e5"
  }
}