Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/584390",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-26e0c036-b5a2-475c-8c69-8af0912a2276",
      "cw-c09bb5ba-7ddc-4486-b385-6568e6cb7d98"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-2cf335a0-b2e8-4baf-8e6e-d2c6ddd50364",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/584390",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-c09bb5ba-7ddc-4486-b385-6568e6cb7d98"
  }
}