Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/7550",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-95125b1c-1407-4a8b-a006-9ec82aee2721",
      "cw-d921f1ff-8e1b-4ba9-911c-ba6e7978557b"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-8767dbc1-4f81-4b12-92c1-4dd585c3dfbc",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/7550",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-d921f1ff-8e1b-4ba9-911c-ba6e7978557b"
  }
}