Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/68392",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-13b5136a-432e-415a-b4fb-f8bce36d2a61",
      "cw-754034eb-d826-40af-a8d1-ad49bf798ca1"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-24b8661a-6c74-45f3-954d-ea67c38eaf89",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/68392",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-754034eb-d826-40af-a8d1-ad49bf798ca1"
  }
}