Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/3421525",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-598fcb2e-0001-4191-9a73-00453a907fc1",
      "cw-da780869-e426-4083-b74b-80bf07b100eb"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-9f13be0d-ff7f-49ee-803c-ff808a6885ac",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/3421525",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-da780869-e426-4083-b74b-80bf07b100eb"
  }
}