Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/754619",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-aa6f15f9-169d-4f06-9c36-045665b834e3",
      "cw-9c7f6994-e288-4989-8990-759b97e85458"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-b91ed844-fc2c-4b70-8e63-a0dfeab85a23",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/754619",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-9c7f6994-e288-4989-8990-759b97e85458"
  }
}