Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/73624",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-5d988368-a43b-46db-8ecf-68893d66fe0f",
      "cw-d8427154-e3de-402f-9af1-a32d16598278"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-74001abf-2b2c-4712-9739-e491cf9a44b9",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/73624",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-d8427154-e3de-402f-9af1-a32d16598278"
  }
}