Homebrew fails to install

[maruina]

Tried to install with homebrew but I got the following error:

❯ brew install danmx/sigil/sigil
Running `brew update --preinstall`...
==> Auto-updated Homebrew!
Updated 2 taps (homebrew/core and mshell/mshell).
==> New Formulae
bartib                                            ddh                                               sqls
==> Updated Formulae
Updated 340 formulae.

==> Tapping danmx/sigil
Cloning into '/opt/homebrew/Library/Taps/danmx/homebrew-sigil'...
remote: Enumerating objects: 74, done.
remote: Counting objects: 100% (48/48), done.
remote: Compressing objects: 100% (33/33), done.
remote: Total 74 (delta 28), reused 34 (delta 15), pack-reused 26
Receiving objects: 100% (74/74), 29.77 KiB | 2.13 MiB/s, done.
Resolving deltas: 100% (41/41), done.
Error: Invalid formula: /opt/homebrew/Library/Taps/danmx/homebrew-sigil/sigil.rb
sigil: Calling bottle :unneeded is disabled! There is no replacement.
Please report this issue to the danmx/sigil tap (not Homebrew/brew or Homebrew/core):
  /opt/homebrew/Library/Taps/danmx/homebrew-sigil/sigil.rb:10

Error: Cannot tap danmx/sigil: invalid syntax in tap!