Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10503854_00029_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2da6538c-5bfb-4d0e-87f3-f7b11392f6ff",
      "cw-dfe7a617-e0f6-4995-9896-1e7d5c5c9f84"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-16805e8a-9142-4ce2-839e-36eabbf8aaf9",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10503854_00029_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-dfe7a617-e0f6-4995-9896-1e7d5c5c9f84",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10503854_00029_u001",
      "navDate": "1842-01-08",
      "multId": "bsbmult00000663",
      "lastSearchUrl": null
    },
    "canvasIndex": 0,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10503854_00029_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": false,
    "view": "single"
  }
}