Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/80733",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-1789665c-6695-4eeb-9d58-84fb87fe0b0c",
      "cw-066e879c-af38-49c0-9ee4-dc37a009f080"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a0a09256-dab7-4774-a019-7cc53369c91c",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/80733",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-066e879c-af38-49c0-9ee4-dc37a009f080"
  }
}