Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/580856",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-51153af7-b853-4885-a6e1-bbfb5f0f1122",
      "cw-20258bf7-820c-42b2-a8b0-be4f5b68d894"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a4ea83f5-66f9-4278-89a7-b92594a4f798",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/580856",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-20258bf7-820c-42b2-a8b0-be4f5b68d894"
  }
}