Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4686315",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-cb29d239-63ac-42cb-a1ee-de3bc7a45006",
      "cw-61494665-7293-42ec-8859-b3a9b51461ef"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-5b06c5f4-75be-478c-9628-5b09e9e0b51a",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4686315",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-61494665-7293-42ec-8859-b3a9b51461ef"
  }
}