Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/480728",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-553fd6cf-856f-49b0-8ac9-8bc9a0a4ff02",
      "cw-cf66852b-ee6f-48a4-977f-81b1f304505b"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-5e2b7a63-c4bc-46a7-91fe-8e2d507688e0",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/480728",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-cf66852b-ee6f-48a4-977f-81b1f304505b"
  }
}