Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/74132",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-991bdbb9-9bd1-42a8-a3a6-0a82f26b9cd4",
      "cw-bc620044-c4ed-40a4-a5ce-c036ee080459"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-5cfe66aa-cde6-4ff1-8727-8b90ea895fae",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/74132",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-bc620044-c4ed-40a4-a5ce-c036ee080459"
  }
}