Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10504057_00513_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-462d3dce-0c7a-4b0a-8f88-66b6f20d12b9",
      "cw-2d888d20-aa1e-4d12-9218-bb1003947772"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-4d4da5e4-df5a-447e-b680-baf748b6bcc6",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10504057_00513_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-2d888d20-aa1e-4d12-9218-bb1003947772",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10504057_00513_u001",
      "navDate": "1850-05-21",
      "multId": "bsbmult00000009",
      "lastSearchUrl": null
    },
    "canvasIndex": 3,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10504057_00513_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": false,
    "view": "single"
  }
}