Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/40111",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-66e3f02e-503e-46f4-843a-20ca9e527f91",
      "cw-6823f79c-48de-4ca9-9975-7ecc373427c9"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-14588c8c-fa2d-4cfb-8ebc-a7dfaf1494a8",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/40111",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-6823f79c-48de-4ca9-9975-7ecc373427c9"
  }
}