Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10504973_00225_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-ab56ce5b-fbdf-45f9-9bb5-6f24f4dee9a5",
      "cw-03ae977b-d619-45e3-b33a-97df7522e04a"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-7dbac168-4cac-475e-abe6-0a025d4c90fc",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10504973_00225_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-03ae977b-d619-45e3-b33a-97df7522e04a",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10504973_00225_u001",
      "navDate": "1836-02-25",
      "multId": "bsbmult00000500",
      "lastSearchUrl": null
    },
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10504973_00225_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}