Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10503973_00159_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-216c8c84-073f-463d-8c96-7c1eeab2ece3",
      "cw-0c8f5e82-fe17-424b-b984-a2907a60e4e7"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-82b0e2be-65f2-470d-8ea1-e326a47e65fc",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10503973_00159_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-0c8f5e82-fe17-424b-b984-a2907a60e4e7",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10503973_00159_u001",
      "navDate": "1865-02-16",
      "multId": "bsbmult00000666",
      "lastSearchUrl": null
    },
    "canvasIndex": 1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10503973_00159_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": false,
    "view": "single"
  }
}