Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb00012810_00240_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a64f573f-e922-45a0-8745-0fd0e6b71821",
      "cw-0d2ce610-9190-41c3-94a6-ec3ac76f2c28"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-22a6d096-7deb-469e-9b24-0c9b6fc234f8",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb00012810_00240_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-0d2ce610-9190-41c3-94a6-ec3ac76f2c28",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb00012810_00240_u001",
      "navDate": "1848-10-20",
      "multId": "bsbmult00000804",
      "lastSearchUrl": null
    },
    "canvasIndex": 0,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb00012810_00240_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": false,
    "view": "single"
  }
}