Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/123236",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-246af934-ef86-4e97-bb2c-aa3cfc807b7e",
      "cw-8eac5d7f-5f56-45d1-b9ff-d73a76ee29c8"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-81a4c217-b19a-497e-bc98-6972b2e6d50a",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/123236",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-8eac5d7f-5f56-45d1-b9ff-d73a76ee29c8"
  }
}