Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/54080",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-bc6060ee-af87-4061-9748-216a61cac5cd",
      "cw-2f085435-3093-40af-827c-35006b873efa"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-ade95095-0b09-4581-83ca-6d5a6927d070",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/54080",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-2f085435-3093-40af-827c-35006b873efa"
  }
}