Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/6669327",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-b8ed9892-76d9-47c9-9d10-d47c6a4d8fb8",
      "cw-1af0cb1a-9e60-4233-be29-7b11dbe61075"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a9d91638-b70c-4636-96f1-56c60c87995c",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/6669327",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-1af0cb1a-9e60-4233-be29-7b11dbe61075"
  }
}