Migrate a vBulletin 4 forum to Discourse

Hi,
I am using Ubuntu 22.04 LTS and want to convert vBulletin to Discourse.

DB_HOST = "172.17.0.5"
DB_USER = "root"
DB_PASSWORD = "*******"

when I input RAILS_ENV=production bundle exec ruby script/import_scripts/vbulletin.rb,
this error happens

1: from /var/www/discourse/vendor/bundle/ruby/2.7.0/gems/rack-mini-profiler-3.0.0/lib/mini_profiler/profiling_methods.rb:83:in `profile_method'
/var/www/discourse/vendor/bundle/ruby/2.7.0/gems/rack-mini-profiler-3.0.0/lib/mini_profiler/profiling_methods.rb:83:in `alias_method': undefined method `call' for class `Redis::Client' (NameError)
Did you mean?  caller

How Can I fix it?