Redmine

sh: 1: hg: not found
sh: 1: cvs: not found
sh: 1: bzr: not found

Environment:
  Redmine version                4.0.0.stable
  Ruby version                   2.5.3-p105 (2018-10-18) [x86_64-linux]
  Rails version                  5.2.2
  Environment                    production
  Database adapter               Mysql2
  Mailer queue                   ActiveJob::QueueAdapters::AsyncAdapter
  Mailer delivery                smtp
SCM:
  Subversion                     1.8.10
  Git                            2.1.4
  Filesystem
Redmine plugins:
  client_config                  0.0.1

Dear All!

I update the redmine from:
3.1.2 stable to 4.0.0

I removed all of the custom plugins from the new redmine's plugins directory.
After database update command a i got this: "bundle install --without development test rmagick"

== 20170418090031 AddViewNewsToAllExistingRoles: migrating ====================
rake aborted!
StandardError: An error has occurred, all later migrations canceled:

Validation failed: Name has already been taken