Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4390526",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-8fedc416-1101-4206-b87f-96c036e89933",
      "cw-c68faf7b-6004-4b80-a595-fb4e9c971082"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-e6840e5a-783b-4d3e-b180-608c8803f9ae",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4390526",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-c68faf7b-6004-4b80-a595-fb4e9c971082"
  }
}