Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/579143",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-e17be086-e963-4504-a495-39310d1974f8",
      "cw-538ea272-311f-45c4-969c-b541770632f6"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-c6f583ec-8c6c-4aba-9126-12e17c369a54",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/579143",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-538ea272-311f-45c4-969c-b541770632f6"
  }
}