Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/68312",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-baf76cf2-6754-4e3e-9762-0c2bd1827eaa",
      "cw-3ea639cd-0602-44d7-a28f-067e6b529281"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-61e8634d-51e3-4aeb-820c-5ce53d958048",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/68312",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-3ea639cd-0602-44d7-a28f-067e6b529281"
  }
}