Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/80862",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-663fdf64-7ccc-4e38-921f-437b310fabaf",
      "cw-a52226c4-fb0a-4356-afa7-d1edcf94076b"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-38b3f2f0-e31a-4591-a5f7-a7d72170dd22",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/80862",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-a52226c4-fb0a-4356-afa7-d1edcf94076b"
  }
}