Mirador Viewer

TypeError: Failed to fetch
{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb00078848/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-9eea88c6-847b-4082-b96a-3eb4e00dac13",
      "cw-0fa34763-cdfd-4c15-b0e0-ec7807988cf6"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-fd5ef216-64d7-4cf3-81db-96c8223de62e",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb00078848/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-0fa34763-cdfd-4c15-b0e0-ec7807988cf6",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "canvasIndex": -1,
    "dfgViewerUrl": "https://dfg-viewer.de/show?tx_dlf%5Bid%5D=https%3A%2F%2Fapi.digitale-sammlungen.de%2Fdfg%2Fmets%2Fmods%2Fv1%2Fdigitalobjects%2Fidentifier%2Fmdz-obj%3Absb00078848",
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb00078848/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": true,
    "view": "book"
  }
}