On bundle exec rake redmine:plugins:migrate RAILS_ENV=production I get
[!] There was an error parsing `Gemfile`:
[!] There was an error parsing `Gemfile`: You cannot specify the same gem twice with different version requirements.
You specified: bundler (< 2.0.0, >= 1.5.0) and bundler (>= 0). Bundler cannot continue.
# from /home/server/services/mis-redmine-3.4/plugins/redmine_medelexis/Gemfile:4
# -------------------------------------------
# gem 'minitest-reporters'
> gem "bundler"
# gem "xml-simple"
# -------------------------------------------
. Bundler cannot continue.
# from /home/server/services/mis-redmine-3.4/Gemfile:112
# -------------------------------------------
# Dir.glob File.expand_path("../plugins/*/{Gemfile,PluginGemfile}", __FILE__) do |file|
> eval_gemfile file
# end
# -------------------------------------------
On bundle exec rake redmine:plugins:migrate RAILS_ENV=production I get