Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/3219",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-1bd5e4f0-ba0a-4cdf-88be-67adb050ecae",
      "cw-c7d1dc0e-2f77-4b0b-89ad-1294acb9524d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-3ef061d2-b590-4d8c-97a7-a2f693d80339",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/3219",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-c7d1dc0e-2f77-4b0b-89ad-1294acb9524d"
  }
}