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

{
  "manifest": {
    "error": "SyntaxError: Unexpected token 'T', \"The websit\"... is not valid JSON",
    "id": "/node/5798/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-5e5e7d48-b4fc-413d-935f-264413ce44f1",
      "cw-b9ecb0b6-0f77-4dad-9f68-32b55d35c05e"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-3c45cecc-b2f4-4845-97ce-38f44fb3e4a9",
    "manifestId": "/node/5798/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b9ecb0b6-0f77-4dad-9f68-32b55d35c05e",
    "thumbnailNavigationPosition": "far-bottom"
  }
}