Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/5444441",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-d446c4f1-bca4-46da-8213-3dc0d740e79b",
      "cw-1b8cf1cc-aaa1-47cc-9997-9e1017efecb1"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-23368e04-40e5-4ac5-84c1-63e82e752524",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/5444441",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-1b8cf1cc-aaa1-47cc-9997-9e1017efecb1"
  }
}