Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4723586",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-7d25fa91-e5ea-40e8-8230-39c29f203ae8",
      "cw-2b9131bc-baa9-4f00-995c-180ad6c1cecf"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-6b9216af-8545-4226-a823-61a72be25693",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4723586",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-2b9131bc-baa9-4f00-995c-180ad6c1cecf"
  }
}