Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10498760_00921_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-1f3dd144-5723-492f-8c17-793ba121c1d4",
      "cw-40a02aae-10aa-4c22-93e4-9b6f4f5ab21e"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-087d6e46-0288-4896-9e78-60c687c80e31",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10498760_00921_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-40a02aae-10aa-4c22-93e4-9b6f4f5ab21e",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10498760_00921_u001",
      "navDate": "1845-09-27",
      "multId": "bsbmult00000160",
      "lastSearchUrl": null
    },
    "canvasIndex": 1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10498760_00921_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": false,
    "view": "single"
  }
}