Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/29741",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-325c681d-7289-4995-877c-c64bfa1dd033",
      "cw-162d0e7a-9686-4c35-b521-2045c803a53c"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-542b1ddf-8778-48d8-8c73-8f91e36f9e9f",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/29741",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-162d0e7a-9686-4c35-b521-2045c803a53c"
  }
}