Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10502721_00289_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a13f7b01-1d73-4334-aa6b-75b8cfd83f35",
      "cw-19988928-350f-427b-a564-d6f830451361"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-d89de92f-7a95-4dea-898b-d979e273cbdf",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10502721_00289_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-19988928-350f-427b-a564-d6f830451361",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10502721_00289_u001",
      "navDate": "1847-09-18",
      "multId": "bsbmult00000069",
      "lastSearchUrl": null
    },
    "canvasIndex": 1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10502721_00289_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": false,
    "view": "single"
  }
}