visualizador Mirador

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://dl.uc.pt/json/iiif/10316.2/77730/153643/manifest?manifest=/json/iiif/10316.2/77730/153643/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a8b7cee9-da51-4a08-844e-d4ca327d5f38",
      "cw-f58064c7-62d5-48bc-9149-19fe4267764a"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-cefb7e40-cb28-4efb-a738-7b8cd14b7778",
    "manifestId": "https://dl.uc.pt/json/iiif/10316.2/77730/153643/manifest?manifest=/json/iiif/10316.2/77730/153643/manifest",
    "maximized": true,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "canvas",
    "thumbnailNavigationId": "cw-f58064c7-62d5-48bc-9149-19fe4267764a",
    "thumbnailNavigationPosition": "far-bottom",
    "imageToolsEnabled": true,
    "imageToolsOpen": true,
    "defaultView": "single"
  }
}