Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/45492",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-9f2be59d-818a-450f-bae0-e76824a30aeb",
      "cw-a8d699f6-dfd9-4814-9007-e114eed06730"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-dc10af42-dfc6-46ae-ae51-411a1c286983",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/45492",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-a8d699f6-dfd9-4814-9007-e114eed06730"
  }
}