Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/40606",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-fcd15136-8a54-4026-b307-231d82031ba8",
      "cw-6dbd2ea7-4683-46fc-9d00-d346c4e0a0e8"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-e3d6bc8f-e8db-4e31-b1ab-51ca1f8054b6",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/40606",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-6dbd2ea7-4683-46fc-9d00-d346c4e0a0e8"
  }
}