Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb00007710_00157_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-43fb66ef-5e8c-4a6b-b152-66a25835b24a",
      "cw-9d306e7a-9d41-4b67-841b-6cde1258db00"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-135308f2-8bc1-4b77-89e7-ce9cf5a82a73",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb00007710_00157_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-9d306e7a-9d41-4b67-841b-6cde1258db00",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb00007710_00157_u001",
      "navDate": "1913-09-27",
      "multId": "bsbmult00000817",
      "lastSearchUrl": null
    },
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb00007710_00157_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}