Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/58055",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-20a03c65-e355-49e7-8ddc-84a3014442e3",
      "cw-09299cf2-96a7-4419-b393-3df8e6d3fef7"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-fc335fb4-e6c9-4f1a-8dea-61f6b7df888f",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/58055",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-09299cf2-96a7-4419-b393-3df8e6d3fef7"
  }
}