Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/6449205",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-0b65fbf7-a27e-4149-a73a-d0ec4a9aed70",
      "cw-f25534da-1a95-4f1b-9f67-ea6baf8d73fe"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-48a91648-3e38-4876-8425-38e4de16f998",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/6449205",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-f25534da-1a95-4f1b-9f67-ea6baf8d73fe"
  }
}