Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb00074145/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-40f95876-6fd4-4f89-aca1-38a81291848c",
      "cw-23cb01be-cb37-4208-a5a3-428cdbd1bbe5"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-f837c991-fe48-4ec6-b2bb-c8aff10ea2a4",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb00074145/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-23cb01be-cb37-4208-a5a3-428cdbd1bbe5",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "canvasIndex": -1,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb00074145/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}