brew cleanup fails with "Return value: Expected type Tap, got type NilClass"

[drahnieR]

Output of brew config

HOMEBREW_VERSION: 4.4.0-113-g9fd572f
ORIGIN: https://github.com/Homebrew/brew
HEAD: 9fd572f8add37e09dd3072b534d5488e705a68c0
Last commit: 9 hours ago
Core tap JSON: 09 Oct 09:20 UTC
Core cask tap JSON: 09 Oct 09:20 UTC
HOMEBREW_PREFIX: /usr/local
HOMEBREW_CASK_OPTS: []
HOMEBREW_EDITOR: nvim
HOMEBREW_MAKE_JOBS: 8
HOMEBREW_SORBET_RUNTIME: set
Homebrew Ruby: 3.3.5 => /usr/local/homebrew/Library/Homebrew/vendor/portable-ruby/3.3.5/bin/ruby
CPU: octa-core 64-bit kabylake
Clang: 16.0.0 build 1600
Git: 2.47.0 => /usr/local/bin/git
Curl: 8.7.1 => /usr/bin/curl
macOS: 15.0-x86_64
CLT: 16.0.0.0.1.1724870825
Xcode: N/A

Output of brew doctor

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 formulae are deprecated or disabled.
You should find replacements for the following formulae:
  aggregate
  dog

Description of issue

And here's the output of brew cleanup

Error: Return value: Expected type Tap, got type NilClass
Caller: /usr/local/homebrew/Library/Homebrew/cask/cask_loader.rb:249
Definition: /usr/local/homebrew/Library/Homebrew/cask/cask_loader.rb:219 (Cask::CaskLoader::FromTapLoader#tap)
/usr/local/homebrew/Library/Homebrew/vendor/bundle/ruby/3.3.0/gems/sorbet-runtime-0.5.11600/lib/types/configuration.rb:296:in `call_validation_error_handler_default'
/usr/local/homebrew/Library/Homebrew/vendor/bundle/ruby/3.3.0/gems/sorbet-runtime-0.5.11600/lib/types/configuration.rb:303:in `call_validation_error_handler'
/usr/local/homebrew/Library/Homebrew/vendor/bundle/ruby/3.3.0/gems/sorbet-runtime-0.5.11600/lib/types/private/methods/call_validation.rb:310:in `report_error'
/usr/local/homebrew/Library/Homebrew/vendor/bundle/ruby/3.3.0/gems/sorbet-runtime-0.5.11600/lib/types/private/methods/call_validation_2_7.rb:63:in `block in create_validator_method_fast0'
/usr/local/homebrew/Library/Homebrew/cask/cask_loader.rb:249:in `load'
/usr/local/homebrew/Library/Homebrew/vendor/bundle/ruby/3.3.0/gems/sorbet-runtime-0.5.11600/lib/types/private/methods/call_validation.rb:167:in `bind_call'
/usr/local/homebrew/Library/Homebrew/vendor/bundle/ruby/3.3.0/gems/sorbet-runtime-0.5.11600/lib/types/private/methods/call_validation.rb:167:in `validate_call_skip_block_type'
/usr/local/homebrew/Library/Homebrew/vendor/bundle/ruby/3.3.0/gems/sorbet-runtime-0.5.11600/lib/types/private/methods/call_validation.rb:109:in `block in create_validator_slow_skip_block_type'
/usr/local/homebrew/Library/Homebrew/cask/cask_loader.rb:557:in `load'
/usr/local/homebrew/Library/Homebrew/cleanup.rb:177:in `stale_cask?'
/usr/local/homebrew/Library/Homebrew/vendor/bundle/ruby/3.3.0/gems/sorbet-runtime-0.5.11600/lib/types/private/methods/call_validation_2_7.rb:1029:in `bind_call'
/usr/local/homebrew/Library/Homebrew/vendor/bundle/ruby/3.3.0/gems/sorbet-runtime-0.5.11600/lib/types/private/methods/call_validation_2_7.rb:1029:in `block in create_validator_method_medium2'
/usr/local/homebrew/Library/Homebrew/cleanup.rb:62:in `stale?'
/usr/local/homebrew/Library/Homebrew/vendor/bundle/ruby/3.3.0/gems/sorbet-runtime-0.5.11600/lib/types/private/methods/call_validation.rb:167:in `bind_call'
/usr/local/homebrew/Library/Homebrew/vendor/bundle/ruby/3.3.0/gems/sorbet-runtime-0.5.11600/lib/types/private/methods/call_validation.rb:167:in `validate_call_skip_block_type'
/usr/local/homebrew/Library/Homebrew/vendor/bundle/ruby/3.3.0/gems/sorbet-runtime-0.5.11600/lib/types/private/methods/call_validation.rb:109:in `block in create_validator_slow_skip_block_type'
/usr/local/homebrew/Library/Homebrew/cleanup.rb:450:in `block in cleanup_cache'
/usr/local/homebrew/Library/Homebrew/cleanup.rb:432:in `each'
/usr/local/homebrew/Library/Homebrew/cleanup.rb:432:in `cleanup_cache'
/usr/local/homebrew/Library/Homebrew/cleanup.rb:296:in `clean!'
/usr/local/homebrew/Library/Homebrew/cmd/cleanup.rb:52:in `run'
/usr/local/homebrew/Library/Homebrew/vendor/bundle/ruby/3.3.0/gems/sorbet-runtime-0.5.11600/lib/types/private/methods/call_validation.rb:270:in `bind_call'
/usr/local/homebrew/Library/Homebrew/vendor/bundle/ruby/3.3.0/gems/sorbet-runtime-0.5.11600/lib/types/private/methods/call_validation.rb:270:in `validate_call'
/usr/local/homebrew/Library/Homebrew/vendor/bundle/ruby/3.3.0/gems/sorbet-runtime-0.5.11600/lib/types/private/methods/_methods.rb:277:in `block in _on_method_added'
/usr/local/Homebrew/Library/Homebrew/brew.rb:94:in `<main>'
Please report this issue:
  https://docs.brew.sh/Troubleshooting

this seems to be tap related, so I'm attaching the output of brew tap-info --installed here as well

homebrew/cask: Not installed

homebrew/core: Not installed

homebrew/services: Installed
2 commands
/usr/local/Homebrew/Library/Taps/homebrew/homebrew-services (956 files, 1.5MB)
From: https://github.com/Homebrew/homebrew-services
HEAD: 052d11e0f2733f5d33f0af500de2607eb8a4ed54
last commit: 19 hours ago

koekeishiya/formulae: Installed
3 formulae
/usr/local/Homebrew/Library/Taps/koekeishiya/homebrew-formulae (119 files, 136.5KB)
From: https://github.com/koekeishiya/homebrew-formulae
HEAD: 0a4036036d47e7f2870cd0623e769ad6102eb433
last commit: 13 days ago

krtirtho/apps: Installed
2 casks
/usr/local/Homebrew/Library/Taps/krtirtho/homebrew-apps (38 files, 73.1KB)
From: https://github.com/krtirtho/homebrew-apps
HEAD: 932656162f9a32067e2aac34bfef17cee7b7caf6
last commit: 5 hours ago
branch: main

mongodb/brew: Installed
20 formulae
/usr/local/Homebrew/Library/Taps/mongodb/homebrew-brew (237 files, 515.0KB)
From: https://github.com/mongodb/homebrew-brew
HEAD: 083c75cc73f5d26b3c330689b8246c7726038aaa
last commit: 3 weeks ago

teamookla/speedtest: Installed
1 formula
/usr/local/Homebrew/Library/Taps/teamookla/homebrew-speedtest (53 files, 47.9KB)
From: https://github.com/teamookla/homebrew-speedtest
HEAD: 1ff487f465bb01c3007c0bc17f1f793244ee2eaa
last commit: 2 years, 2 months ago

yt-dlp/taps: Installed
No commands/casks/formulae
/usr/local/Homebrew/Library/Taps/yt-dlp/homebrew-taps (90 files, 72.8KB)
From: https://github.com/yt-dlp/homebrew-taps
HEAD: d38e32b904125cba72a302ec30858866d0909cdc
last commit: 11 months ago

zix99/rare: Installed
1 formula
/usr/local/Homebrew/Library/Taps/zix99/homebrew-rare (24 files, 25.0KB)
From: https://github.com/zix99/homebrew-rare
HEAD: 401f0cee4ea279b74da67323a038aa3b8c3b1166
last commit: 4 months ago

any help is much appreciated.