Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/263778",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-cb6f1054-03e6-43a9-ae75-75b029fa661b",
      "cw-5bb23aab-3147-4202-b965-a3df3f95bc72"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-9ad95e18-c57a-477d-a9e5-735ad9deb625",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/263778",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-5bb23aab-3147-4202-b965-a3df3f95bc72"
  }
}