Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4670",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-70f1696a-4644-4675-9586-14f1cd2d6800",
      "cw-fc2f1407-ce14-42a3-a36c-3c3aea3c206c"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-1769eae7-0c34-487b-83b7-ca47ddc1082c",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4670",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-fc2f1407-ce14-42a3-a36c-3c3aea3c206c"
  }
}