Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/81775",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-ac653c82-35bd-4ff6-8c09-48dd0c9c9784",
      "cw-b21b02a1-4ae4-4199-81e4-1deae0d38c59"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-c715f95e-f5fb-4f21-bdd8-7acd22b99393",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/81775",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b21b02a1-4ae4-4199-81e4-1deae0d38c59"
  }
}