Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/739443",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-c0e5827f-c3c8-419e-8169-8bc9328a999b",
      "cw-8ca1630f-156e-476b-821d-903615480746"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-43016f4b-2dac-4d60-bbfa-c7a5420a02c8",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/739443",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-8ca1630f-156e-476b-821d-903615480746"
  }
}