Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/25830",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-6708291c-4be0-49b1-b1ce-39abad3dd9df",
      "cw-35bba144-f403-4243-9135-4fd30bcf3d60"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-266a9cd2-9d29-4fb8-96f7-67b193964209",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/25830",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-35bba144-f403-4243-9135-4fd30bcf3d60"
  }
}