Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/30584",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-5dafe81e-19ed-4fb0-9338-d2c81d782c1d",
      "cw-65173da4-9b6a-411e-b020-5055a69dd62d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-88a3b9e2-e634-4f32-b3d5-aaa51e7f2c2b",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/30584",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-65173da4-9b6a-411e-b020-5055a69dd62d"
  }
}