Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/4022",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-bab8ca85-fac4-4eb3-bfee-b66836cd573d",
      "cw-67697330-2a26-448d-99f4-8f20132feeee"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-d01c10ec-5b5f-4a27-a510-6639238663ed",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/4022",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-67697330-2a26-448d-99f4-8f20132feeee"
  }
}