Creation of new account not possible

What I do:

• Open menu
• Click “Account”
• click ➕
• choose “NextCloud” (Same for owncloud and WebDAV)
• click “ok”
• Problem: nothing happens

System information:

{
    "version": "3.37.0",
    "git": {
        "revision": "8d2bc8121eea252e40b80a23e16008138e3fb60e",
        "version": "3.37.0"
    },
    "os": "ios"
}