Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/81403",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-87f516ff-2c86-4e93-82f1-909671aef980",
      "cw-f0f83990-9929-4323-bbba-b93e05708e25"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-eb65f100-3d6e-4a39-bc87-4ca062a5a4dd",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/81403",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-f0f83990-9929-4323-bbba-b93e05708e25"
  }
}