Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/27427",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-515dc222-8357-496b-b3dd-c2d7bd7fd685",
      "cw-049c6ea9-550e-4ddb-a298-15ec268cf588"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-719f9539-6ca2-43e5-be7f-739c6b4393f0",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/27427",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-049c6ea9-550e-4ddb-a298-15ec268cf588"
  }
}