Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4904519",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-5d331138-f294-4017-a115-9ba6e0b9b8b1",
      "cw-4c90cfc5-8a22-4dca-922a-e54e6b2f8931"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-2f92775e-a124-4636-a78f-e3f260e3ba90",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4904519",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-4c90cfc5-8a22-4dca-922a-e54e6b2f8931"
  }
}