Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/40445",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-dc6646b0-f198-41bc-a110-c573bc78af98",
      "cw-2017efe9-5bd1-4c3a-ab2a-5752128de261"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-1e0b9ee0-22b9-48c3-b31d-a1fde95dbe59",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/40445",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-2017efe9-5bd1-4c3a-ab2a-5752128de261"
  }
}