Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/10439299",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-fc4907b9-3760-4157-b4c6-76e177259702",
      "cw-174d39bb-02ba-4889-b5f6-2ba3850f4bf4"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-753bc8cc-6b7f-4773-999c-f54b8d4e5aa3",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/10439299",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-174d39bb-02ba-4889-b5f6-2ba3850f4bf4"
  }
}