Invalid readme file

[geocurly]

MacBook-Pro-Aleksandr:~ geocurly$ brew cask install dotnet
Updating Homebrew...
==> Auto-updated Homebrew!
Updated 1 tap (homebrew/core).
==> New Formulae
cargo-audit  dprint       keptn        massdns      openalpr     ruby@2.7
cargo-watch  grokj2k      libxml++@4   md4c         pkger
dnsx         h2spec       libxml++@5   mermaid-cli  rttr
==> Updated Formulae
Updated 2351 formulae.
==> Deleted Formulae
gobby                                    godep

==> Tapping homebrew/cask
Cloning into '/usr/local/Homebrew/Library/Taps/homebrew/homebrew-cask'...
remote: Enumerating objects: 5, done.
remote: Counting objects: 100% (5/5), done.
remote: Compressing objects: 100% (4/4), done.
remote: Total 592081 (delta 1), reused 3 (delta 1), pack-reused 592076
Receiving objects: 100% (592081/592081), 246.88 MiB | 2.23 MiB/s, done.
Resolving deltas: 100% (421148/421148), done.
Tapped 1 command and 3771 casks (3,892 files, 265.6MB).
Error: Calling brew cask install is disabled! Use brew install [--cask] instead.

cask command was disabled when Homebrew 2.7.0 has been released. Please change readme file :)

[oleg-st]

Done. Thanks!