Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10487415_00263_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-385c402e-9054-49d7-85b6-fc02f9c875bc",
      "cw-da2977f4-1866-40f2-83d5-50968811c971"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-8cab8358-490b-4a4c-9532-f3bf2103b70f",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10487415_00263_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-da2977f4-1866-40f2-83d5-50968811c971",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10487415_00263_u001",
      "navDate": "1814-08-27",
      "multId": "bsbmult00000721",
      "lastSearchUrl": null
    },
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10487415_00263_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}