Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/81342",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-4da3755b-dfbd-4e0c-9edf-5091e42def82",
      "cw-66a50e9c-2e0c-4b73-9c03-509050c906a7"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-be38a4c4-a5cb-4d11-baaa-c65db697adb5",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/81342",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-66a50e9c-2e0c-4b73-9c03-509050c906a7"
  }
}