Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/59655",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-807b23e7-157c-400d-a768-6cde5fc5573e",
      "cw-7c8075ce-5ab8-4986-a9bc-7bb6c2fa4199"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-8c4e9015-05d4-4324-a9f4-756afc0b593a",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/59655",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-7c8075ce-5ab8-4986-a9bc-7bb6c2fa4199"
  }
}