Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/71244",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-c292208e-6b9b-4f79-81db-c4075e2d5430",
      "cw-e44ce2d7-2c50-47e5-8978-0a0d56f22591"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-1486e674-7e8f-4bd9-a8de-43537351a24f",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/71244",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-e44ce2d7-2c50-47e5-8978-0a0d56f22591"
  }
}