Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/81443",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-27e82b47-135f-4009-8de5-89bec8e41525",
      "cw-7dd1e87b-809a-4eb3-aca6-4756bc0e7bac"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-05eea3ba-8247-479c-8135-f37019dac41e",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/81443",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-7dd1e87b-809a-4eb3-aca6-4756bc0e7bac"
  }
}