Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/5971714",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-0c5ad34f-8cce-44a3-9af4-8918df5a7149",
      "cw-de839ebf-d703-4771-998b-23a9d22d8374"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-520deede-100a-46f2-a2ab-a0e4bcac6d18",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/5971714",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-de839ebf-d703-4771-998b-23a9d22d8374"
  }
}