Error: Unexpected method 'appcast' called on Cask tcl.

[philallen117]

Output of brew config

HOMEBREW_VERSION: 4.3.1
ORIGIN: https://github.com/Homebrew/brew
HEAD: e0bc557e7b991cb23583679e1cf1c8a92b793aeb
Last commit: 4 days ago
Core tap JSON: 24 May 16:56 UTC
Core cask tap JSON: 24 May 16:56 UTC
HOMEBREW_PREFIX: /usr/local
HOMEBREW_REPOSITORY: /usr/local/Homebrew
HOMEBREW_CELLAR: /usr/local/Cellar
HOMEBREW_CASK_OPTS: []
HOMEBREW_DISPLAY: /private/tmp/com.apple.launchd.1E76RIcwXl/org.xquartz:0
HOMEBREW_MAKE_JOBS: 8
Homebrew Ruby: 3.3.1 => /usr/local/Homebrew/Library/Homebrew/vendor/portable-ruby/3.3.1/bin/ruby
CPU: octa-core 64-bit westmere
Clang: 15.0.0 build 1500
Git: 2.45.1 => /usr/local/bin/git
Curl: 8.4.0 => /usr/bin/curl
macOS: 14.4.1-x86_64
CLT: 15.0.1.0.2.5
Xcode: N/A
Rosetta 2: true

Output of brew doctor

❯ brew doctor
Error: Unexpected method 'appcast' called on Cask tcl.
Follow the instructions here:
  https://github.com/Homebrew/homebrew-cask#reporting-bugs
Error: Unexpected method 'appcast' called on Cask tcl.
Follow the instructions here:
  https://github.com/Homebrew/homebrew-cask#reporting-bugs
Please note that these warnings are just used to help the Homebrew maintainers
with debugging if you file an issue. If everything you use Homebrew for is
working fine: please don't worry or file an issue; just ignore this. Thanks!

Warning: Some installed kegs have no formulae!
This means they were either deleted or installed manually.
You should find replacements for the following formulae:
  python-pyparsing
  python-click
  python-attrs
  python-toml

Warning: Some installed formulae are deprecated or disabled.
You should find replacements for the following formulae:
  [email protected]
  python-charset-normalizer
  python-dateutil
  python-idna
  python-lxml
  python-psutil
  python-pytz
  python-requests
  python-typing-extensions
  python-urllib3

Warning: You have the following deprecated, official taps tapped:
  Homebrew/homebrew-cask-versions
  Homebrew/homebrew-cask-fonts
Untap them with `brew untap`.

Warning: Unbrewed header files were found in /usr/local/include.
If you didn't put them there on purpose they could cause problems when
building Homebrew formulae and may need to be deleted.

Unexpected header files:
  /usr/local/include/fakemysql.h
  /usr/local/include/fakepq.h
  /usr/local/include/fakesql.h
  /usr/local/include/itcl.h
  /usr/local/include/itcl2TclOO.h
  /usr/local/include/itclDecls.h
  /usr/local/include/itclInt.h
  /usr/local/include/itclIntDecls.h
  /usr/local/include/itclMigrate2TclCore.h
  /usr/local/include/itclTclIntStubsFcn.h
  /usr/local/include/mysqlStubs.h
  /usr/local/include/odbcStubs.h
  /usr/local/include/pqStubs.h
  /usr/local/include/tcl.h
  /usr/local/include/tclDecls.h
  /usr/local/include/tclOO.h
  /usr/local/include/tclOODecls.h
  /usr/local/include/tclPlatDecls.h
  /usr/local/include/tclThread.h
  /usr/local/include/tclTomMath.h
  /usr/local/include/tclTomMathDecls.h
  /usr/local/include/tdbc.h
  /usr/local/include/tdbcDecls.h
  /usr/local/include/tdbcInt.h
  /usr/local/include/tk.h
  /usr/local/include/tkDecls.h
  /usr/local/include/tkPlatDecls.h

Warning: Your Homebrew's prefix is not /opt/homebrew.

Many of Homebrew's bottles (binary packages) can only be used with the default prefix.
Consider uninstalling Homebrew and reinstalling into the default prefix.
It is expected behaviour that some formulae will fail to build in this unsupported configuration.
It is expected behaviour that Homebrew will be buggy and slow.
Do not create any issues about this on Homebrew's GitHub repositories.
Do not create any issues even if you think this message is unrelated.
Any opened issues will be immediately closed without response.
Do not ask for help from Homebrew or its maintainers on social media.
You may ask for help in Homebrew's discussions but are unlikely to receive a response.
Try to figure out the problem yourself and submit a fix as a pull request.
We will review it but may or may not accept it.

Description of issue

brew uninstalled tcl, tcl-tk (separately) and updated. that has removed the issue.

Relevant casks

tcl-tk, tcl

[p-linnane]

Please see https://github.com/orgs/Homebrew/discussions/5373.