Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10504121_00257_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-6e0960b7-e3f3-4fba-ae1e-aa10303b6de9",
      "cw-3a618714-8e82-411b-b7ab-77f5e816fc88"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-eb6ca11e-b335-4d7a-bef0-30738f9fdd81",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10504121_00257_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-3a618714-8e82-411b-b7ab-77f5e816fc88",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10504121_00257_u001",
      "navDate": "1869-05-05",
      "multId": "bsbmult00000157",
      "lastSearchUrl": null
    },
    "canvasIndex": 0,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10504121_00257_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": false,
    "view": "single"
  }
}