Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4211833",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-5b1040b5-8985-4243-a92e-0053b6fecad6",
      "cw-debaea4b-4811-4e85-a263-4d4c167339f8"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-d33c53ce-e2ff-42d8-aff1-cab08e95b6ec",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4211833",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-debaea4b-4811-4e85-a263-4d4c167339f8"
  }
}