Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/67578",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-205ca0b8-aa01-47e1-9ce9-eefe98241647",
      "cw-ee2a17f3-26bd-47e2-946a-977acf3d4aaf"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-7a4d41de-96f2-4646-b8c2-498424d0bc50",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/67578",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-ee2a17f3-26bd-47e2-946a-977acf3d4aaf"
  }
}