Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/37925",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-b1747709-c186-4a1e-9b18-bc81c4867b66",
      "cw-8cdc34bc-6207-45ac-93a4-b88379c31fa0"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a60dba60-0e59-4cd8-b7e1-99d98e8d017e",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/37925",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-8cdc34bc-6207-45ac-93a4-b88379c31fa0"
  }
}