Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/50846",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-21ba333c-c215-4778-8da8-18d63a88831b",
      "cw-630dd115-9564-457b-a1fd-588818c5ed70"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-140791fd-be31-4981-ac2c-d9ddd0c96387",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/50846",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-630dd115-9564-457b-a1fd-588818c5ed70"
  }
}