Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/49935",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-db11a457-001c-4928-9bf9-42269b983f7f",
      "cw-00c8bd3a-3b67-440b-9cde-39ab571da2ab"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-3c4afef2-c5e7-4b72-a10f-1a66d3f05094",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/49935",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-00c8bd3a-3b67-440b-9cde-39ab571da2ab"
  }
}