Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/12600813",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a31b6855-baed-4eef-96f8-c5d49e7086ab",
      "cw-8b264b5d-d36a-424e-beb7-31f615ec0c6e"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-e15fe8e6-9b49-4ba3-b638-727151be1e17",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/12600813",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-8b264b5d-d36a-424e-beb7-31f615ec0c6e"
  }
}