Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/70934",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d1782ece-9306-4048-bdcd-0e512913c9ab",
      "cw-5f1203e6-2a81-423b-9cd2-8941a2714968"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-e35a6e08-ac62-49c8-90e1-39e4bbfc5255",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/70934",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-5f1203e6-2a81-423b-9cd2-8941a2714968"
  }
}