Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4015648",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-63fcd11e-42b1-4d97-bd3d-b492ff280fe3",
      "cw-2156051d-59bc-46d2-9bfa-f6abe656fd96"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-988f5ca4-5b68-4287-95ae-138b8388d218",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4015648",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-2156051d-59bc-46d2-9bfa-f6abe656fd96"
  }
}