Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4406789",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-22da8c25-be48-4bdb-8cc0-703f5833ebda",
      "cw-823e1cdd-0090-4b7b-8f53-63b776e6a7ee"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-2ede1e9e-cf9a-4197-ac2d-9c25d2eb2e7a",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4406789",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-823e1cdd-0090-4b7b-8f53-63b776e6a7ee"
  }
}