Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/579859",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-0a17e079-3850-4899-84b0-dff6737153dc",
      "cw-b2c4d93a-7568-4806-8e2a-a2297caae8bc"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-6b9aa7c1-df2e-4452-a319-5f19daa5c688",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/579859",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b2c4d93a-7568-4806-8e2a-a2297caae8bc"
  }
}