Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4220073",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2ca01884-8d5d-4f1b-b4c9-6e67a7e37e87",
      "cw-cdc7a793-d03e-4722-984f-6715892d4d61"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-5f370d2f-50e6-45f7-b4ef-a954d71b1c84",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4220073",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-cdc7a793-d03e-4722-984f-6715892d4d61"
  }
}