Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/6254796",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2b9a38c5-87e5-4e09-80be-7e112f3e523e",
      "cw-57f2d987-70d9-402f-af37-7c901a417ab5"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-469e8121-0fe4-4236-ae78-6bbe6f2b2c1d",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/6254796",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-57f2d987-70d9-402f-af37-7c901a417ab5"
  }
}