Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/3151959",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-b7ce1d50-9fae-43d1-959a-4648aaa99431",
      "cw-6b750596-23b0-4a2d-a013-d63dd145089e"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-239d92bc-f15f-412b-9f07-62077da328b9",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/3151959",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-6b750596-23b0-4a2d-a013-d63dd145089e"
  }
}