Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/34742",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-0875aa59-3855-4924-89e4-1b83eb55401c",
      "cw-37f677ea-bbe1-423d-872d-705f1d42cbaa"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-c049f1b4-7203-472f-9800-d32e19b23a56",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/34742",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-37f677ea-bbe1-423d-872d-705f1d42cbaa"
  }
}