Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/72152",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-76e7138f-ea6c-434a-a0ac-5b78958d01d2",
      "cw-3e2f1245-7be6-40db-ad5d-a827c0ad36ae"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-def2f0c1-18a9-4a20-ac18-63f83609654a",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/72152",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-3e2f1245-7be6-40db-ad5d-a827c0ad36ae"
  }
}