Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/68150",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-9eda66ce-d816-4f0f-9f38-53532a15b681",
      "cw-8160e810-e7e9-4144-a132-19cfe39e1e15"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-fc7ad4b6-978f-4225-a8fc-95cc5d201cc6",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/68150",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-8160e810-e7e9-4144-a132-19cfe39e1e15"
  }
}