Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/18461",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-303703cb-9177-47e8-ab0f-0c1b7afcb622",
      "cw-3d8f2b61-353f-49e0-82a5-aff9299e92df"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-ed6c8cec-7b9d-4c4d-b770-0c5cafdb62b9",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/18461",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-3d8f2b61-353f-49e0-82a5-aff9299e92df"
  }
}