Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11326947_00437_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-c0a09932-456c-4ac4-b838-c5a537609953",
      "cw-12adcf5a-f9db-4f18-93c9-b222cfedad84"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-43d000b3-efa1-4869-938d-6eea54cad081",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11326947_00437_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-12adcf5a-f9db-4f18-93c9-b222cfedad84",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb11326947_00437_u001",
      "navDate": "1876-09-12",
      "multId": "bsbmult00000678",
      "lastSearchUrl": null
    },
    "canvasIndex": 0,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb11326947_00437_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": false,
    "view": "single"
  }
}