Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10503644_00117_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-e433ff0a-5b53-43e0-9125-e8d70da9a696",
      "cw-2c20f63c-c1d7-4685-afbc-2ca5e7de4926"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-2c77dc30-dee2-4816-b6c3-c00432e09cf7",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10503644_00117_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-2c20f63c-c1d7-4685-afbc-2ca5e7de4926",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10503644_00117_u001",
      "navDate": "1816-03-21",
      "multId": "bsbmult00000610",
      "lastSearchUrl": null
    },
    "canvasIndex": 3,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10503644_00117_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": false,
    "view": "single"
  }
}