Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/30338",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-c5b251f0-6e09-4bb5-8672-fb566e99f802",
      "cw-38df1627-2b79-4e3d-8a0c-ce71565466c3"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-ec14a0af-1bd9-406f-927b-c5eed6a0b410",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/30338",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-38df1627-2b79-4e3d-8a0c-ce71565466c3"
  }
}