【RubyMine】Debugger does not start - ruby

Question

Overview
I am developing using RubyMine.
I wanted to use RubyMine's debugging function as excellent, I got an error.
Detail
Add a break point
↓
Debug button pressed
↓
console
/bin/zsh -c "bash -c 'env RBENV_VERSION=2.7.1 /Users/katahira/.rbenv/libexec/rbenv exec ruby /Users/katahira/.rbenv/versions/2.7.1/lib/ruby/gems/2.7.0/gems/ruby-debug-ide-2.3.0/bin/rdebug-ide --key-value --step-over-in-blocks --disable-int-handler --evaluation-timeout 10 --evaluation-control --time-limit 100 --memory-limit 0 --rubymine-protocol-extensions --port 53995 --host 0.0.0.0 --dispatcher-port 53996 -- /Users/katahira/dev/work/〇〇.rb'"
Fast Debugger (ruby-debug-ide 2.3.0, debase 2.3.0, file filtering is supported, block breakpoints supported, smart steps supported, obtaining return values supported, partial obtaining of instance variables supported) listens on 0.0.0.0:53995
Uncaught exception: uninitialized constant Api
/Users/katahira/dev/work/〇〇.rb:1:in `<top (required)>'
Process finished with exit code 1
Tried
Check version
katahira#MBP 〇〇 % rbenv versions
system
2.4.1
2.5.8
2.6.3
2.6.5
2.7.0
* 2.7.1 (set by /Users/katahira/dev/work/〇〇/.ruby-version)←current directory
2.7.2
3.0.0
RubyMine → preferences → Ruby SDK Gem
rbenv: 2.7.1
Check gem
RubyMine → Preferences → Ruby SDK Gem → rbenv:2.7.1
ruby-debug-ide 2.3.0
・
・
・
debase
debase 2.3.0
debase
Environment
OS macOS BigSur
ruby 2.7.1 (2.6.5 is described in the gemfile)
rails 6.0.4('~> 6.0.3', '>= 6.0.3.7' is described in the gemfile)
docker Baseimage FROM ruby:2.6.5-alpine