Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/739171",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-0ce00b93-9bca-4fd8-b389-c8ba598bea82",
      "cw-58966f03-1e95-48c0-8e26-82eb99ccde79"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-35e4f3fe-f3eb-43da-998e-560f985d1b2a",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/739171",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-58966f03-1e95-48c0-8e26-82eb99ccde79"
  }
}