Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/70793",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-36f851b1-2885-4d4f-9823-32c52cf70ce9",
      "cw-7d46eae0-604f-4917-be00-c95790ade777"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-f32d7946-330b-4cdf-ad76-4b0230574e04",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/70793",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-7d46eae0-604f-4917-be00-c95790ade777"
  }
}