Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/3970567",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-6f4d1fd5-c32a-48d6-9b28-0d33b57a3567",
      "cw-4006cc90-fbf7-4873-ab82-82ebf10e7ef9"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-b4b2fcc2-07f4-407f-b48b-2981bda465a9",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/3970567",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-4006cc90-fbf7-4873-ab82-82ebf10e7ef9"
  }
}