Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10502280_00311_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a4995e72-11c2-4640-bbf7-3892a77ddbd6",
      "cw-66c949c1-39ff-4a0b-92d9-afcdb3efa88f"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-51ca3e64-bea5-40bc-9c60-edb6e6812751",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10502280_00311_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-66c949c1-39ff-4a0b-92d9-afcdb3efa88f",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10502280_00311_u001",
      "navDate": "1795-04-25",
      "multId": "bsbmult00000538",
      "lastSearchUrl": null
    },
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10502280_00311_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}