SyntaxError: Unexpected token 'T', "The websit"... is not valid JSON

{
  "manifest": {
    "error": "SyntaxError: Unexpected token 'T', \"The websit\"... is not valid JSON",
    "id": "/node/4641/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-abbebaed-03d6-46d1-8f7a-5d872ac52c2f",
      "cw-cf2df7ee-69fb-40e4-a9bd-30623e8c0bd2"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a43a35cf-b0f4-46d3-8255-cc2e5c0bcbdd",
    "manifestId": "/node/4641/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-cf2df7ee-69fb-40e4-a9bd-30623e8c0bd2",
    "thumbnailNavigationPosition": "far-bottom"
  }
}