Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4134754",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-e49cb836-6a5a-42b4-af85-24121f6f9a73",
      "cw-985b9dd4-0db5-490e-afd0-64d5dce9c9a1"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-2df3a146-cd4f-4df9-91ad-6a90fc5584ad",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4134754",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-985b9dd4-0db5-490e-afd0-64d5dce9c9a1"
  }
}