Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/58238",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-c4d2dbdc-b79e-47d0-99f9-d35aa23cc81b",
      "cw-15edba18-12b6-437b-bd84-babf6edec4d6"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-c8a2aa7c-5470-4eea-9015-e9bb4f6ecff1",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/58238",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-15edba18-12b6-437b-bd84-babf6edec4d6"
  }
}