Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/80830",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-7bee4707-4476-401f-9172-93d6baddabcb",
      "cw-d40dc3d3-a56c-4e3a-ad0b-465bb39b95ae"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-d30f60e6-7599-4498-ae69-bbf4796040f0",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/80830",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-d40dc3d3-a56c-4e3a-ad0b-465bb39b95ae"
  }
}