Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10503815_00679_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-40d2ee9c-515a-4b2a-9693-b6da4faca0fe",
      "cw-4de3540b-e6e3-4b05-8c4f-210f2903ada7"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-4920ccd1-d5ee-4e3a-8a9c-a34a669ceac3",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10503815_00679_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-4de3540b-e6e3-4b05-8c4f-210f2903ada7",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10503815_00679_u001",
      "navDate": "1865-07-21",
      "multId": "bsbmult00000020",
      "lastSearchUrl": null
    },
    "canvasIndex": 0,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10503815_00679_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": false,
    "view": "single"
  }
}