Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/44996",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-3da36978-256b-4112-a419-14966e1b7c97",
      "cw-56c307ec-4b7f-4dd9-98ee-7a1003ba3898"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-d5306513-6700-4c5e-b894-fcc75c747c93",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/44996",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-56c307ec-4b7f-4dd9-98ee-7a1003ba3898"
  }
}