Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4419657",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-594f6ba6-73f6-4082-a4e9-90045bf3842b",
      "cw-b2ce6255-f5e1-4c8d-9960-1d9912222b16"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-bc1f932f-ea61-44a2-8310-70791d210f83",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4419657",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b2ce6255-f5e1-4c8d-9960-1d9912222b16"
  }
}