Miradorビューワ

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://IIIF.ll.chiba-u.jp/mmd/manifest/1000/900078616.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-01bb8cc6-119a-49ed-8629-0bae25aa18b9",
      "cw-a84e0d0b-b534-4315-8e04-74566a768636"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-954fbd1d-16de-4c7f-a784-43747c603aff",
    "manifestId": "https://IIIF.ll.chiba-u.jp/mmd/manifest/1000/900078616.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-a84e0d0b-b534-4315-8e04-74566a768636"
  }
}