Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/75577",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-909f125a-35d0-4330-a436-c5744b85389f",
      "cw-587159a4-bdcb-420b-840a-b78a42cb52ba"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-cd5cfc54-0c91-4a8e-95cb-27510f471070",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/75577",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-587159a4-bdcb-420b-840a-b78a42cb52ba"
  }
}