Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/52022",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-707f905a-cfe1-45b6-a411-94e37e2c3a02",
      "cw-fc127084-707d-4c28-8d76-f63423441d90"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-53765b0f-7ba9-444b-ab32-172612b5d720",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/52022",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-fc127084-707d-4c28-8d76-f63423441d90"
  }
}