Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/5354620",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a1181253-67d5-4429-b606-0502c41e6bd0",
      "cw-f8e28d76-a198-4404-9aa9-07447d2537c1"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-fec277f2-cab2-421e-bbe0-c6ad1e7ea051",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/5354620",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-f8e28d76-a198-4404-9aa9-07447d2537c1"
  }
}