Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/64249",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-4b8cd7c0-cb84-4f92-9121-4ec8aa35af3a",
      "cw-506ac518-3a91-4bac-be3d-6f6617650dac"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-550f4814-f152-40f3-9515-46a9c855b857",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/64249",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-506ac518-3a91-4bac-be3d-6f6617650dac"
  }
}