Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/11827",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-47d8c7b1-9e0b-45b7-a07d-5dd54e0ee16d",
      "cw-ce794269-c78b-4645-aeb2-dd057225bb5a"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-863e1f5c-3df2-4d4f-aad0-af8473de2a65",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/11827",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ce794269-c78b-4645-aeb2-dd057225bb5a"
  }
}