I'm trying to configure my OpenProject Community Edition and I always get this error. Here is the trace

root@myserver:/opt/openproject# openproject configure

Launching installer for openproject...
Selected addons: legacy-installer postgres apache2 repositories smtp memcached openproject
[legacy-installer] ./bin/configure
[postgres] ./bin/configure
Installation is already using MySQL, skipping postgres addon.
DONE
[apache2] ./bin/configure
DONE
[repositories] ./bin/configure
No server installed. Skipping.
DONE
[smtp] ./bin/configure
DONE
[memcached] ./bin/configure
DONE
[openproject] ./bin/configure
DONE
[legacy-installer] ./bin/preinstall
[postgres] ./bin/preinstall
INFO: autoinstall=skip. Skipping to next step.
[apache2] ./bin/preinstall
[repositories] ./bin/preinstall
[smtp] ./bin/preinstall
[memcached] ./bin/preinstall
[openproject] ./bin/preinstall
[legacy-installer] ./bin/postinstall
[postgres] ./bin/postinstall
[apache2] ./bin/postinstall
[repositories] ./bin/postinstall
[smtp] ./bin/postinstall
[memcached] ./bin/postinstall
[openproject] ./bin/postinstall
rake aborted!
URI::InvalidURIError: bad URI(is not URI?): mysql://openproject:run rake packager:before_postinstalllocalhost:3306/openproject
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/activerecord-5.2.2.1/lib/active_record/connection_adapters/connection_specification.rb:40:in `initialize'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/activerecord-5.2.2.1/lib/active_record/connection_adapters/connection_specification.rb:282:in `new'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/activerecord-5.2.2.1/lib/active_record/connection_adapters/connection_specification.rb:282:in `resolve_url_connection'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/activerecord-5.2.2.1/lib/active_record/connection_adapters/connection_specification.rb:270:in `resolve_hash_connection'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/activerecord-5.2.2.1/lib/active_record/connection_adapters/connection_specification.rb:245:in `resolve_connection'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/activerecord-5.2.2.1/lib/active_record/connection_adapters/connection_specification.rb:143:in `resolve'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/activerecord-5.2.2.1/lib/active_record/connection_adapters/connection_specification.rb:163:in `block in resolve_all'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/activerecord-5.2.2.1/lib/active_record/connection_adapters/connection_specification.rb:162:in `each'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/activerecord-5.2.2.1/lib/active_record/connection_adapters/connection_specification.rb:162:in `resolve_all'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/activerecord-5.2.2.1/lib/active_record/connection_handling.rb:72:in `resolve'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/activerecord-5.2.2.1/lib/active_record/core.rb:54:in `configurations='
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/activerecord-5.2.2.1/lib/active_record/core.rb:56:in `block in <module:Core>'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.2.1/lib/active_support/concern.rb:122:in `class_eval'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.2.1/lib/active_support/concern.rb:122:in `append_features'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/activerecord-5.2.2.1/lib/active_record/base.rb:293:in `include'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/activerecord-5.2.2.1/lib/active_record/base.rb:293:in `<class:Base>'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/activerecord-5.2.2.1/lib/active_record/base.rb:277:in `<module:ActiveRecord>'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/activerecord-5.2.2.1/lib/active_record/base.rb:27:in `<top (required)>'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.2.1/lib/active_support/dependencies.rb:291:in `require'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.2.1/lib/active_support/dependencies.rb:291:in `block in require'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.2.1/lib/active_support/dependencies.rb:257:in `load_dependency'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.2.1/lib/active_support/dependencies.rb:291:in `require'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/activerecord-session_store-1.1.1/lib/active_record/session_store/session.rb:7:in `<module:SessionStore>'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/activerecord-session_store-1.1.1/lib/active_record/session_store/session.rb:5:in `<module:ActiveRecord>'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/activerecord-session_store-1.1.1/lib/active_record/session_store/session.rb:4:in `<top (required)>'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.2.1/lib/active_support/dependencies.rb:291:in `require'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.2.1/lib/active_support/dependencies.rb:291:in `block in require'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.2.1/lib/active_support/dependencies.rb:257:in `load_dependency'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.2.1/lib/active_support/dependencies.rb:291:in `require'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/activerecord-session_store-1.1.1/lib/active_record/session_store.rb:111:in `<top (required)>'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.2.1/lib/active_support/dependencies.rb:291:in `require'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.2.1/lib/active_support/dependencies.rb:291:in `block in require'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.2.1/lib/active_support/dependencies.rb:257:in `load_dependency'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.2.1/lib/active_support/dependencies.rb:291:in `require'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/activerecord-session_store-1.1.1/lib/activerecord/session_store.rb:1:in `<top (required)>'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/runtime.rb:95:in `require'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/runtime.rb:95:in `rescue in block in require'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/runtime.rb:72:in `block in require'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/runtime.rb:65:in `each'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/runtime.rb:65:in `require'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler.rb:114:in `require'
/opt/openproject/config/application.rb:70:in `<top (required)>'
/opt/openproject/Rakefile:33:in `require'
/opt/openproject/Rakefile:33:in `<top (required)>'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/rake-12.3.2/exe/rake:27:in `<top (required)>'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/cli/exec.rb:74:in `load'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/cli/exec.rb:74:in `kernel_load'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/cli/exec.rb:28:in `run'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/cli.rb:463:in `exec'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/vendor/thor/lib/thor/command.rb:27:in `run'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/vendor/thor/lib/thor/invocation.rb:126:in `invoke_command'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/vendor/thor/lib/thor.rb:387:in `dispatch'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/cli.rb:27:in `dispatch'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/vendor/thor/lib/thor/base.rb:466:in `start'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/cli.rb:18:in `start'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/exe/bundle:30:in `block in <top (required)>'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/friendly_errors.rb:124:in `with_friendly_errors'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/exe/bundle:22:in `<top (required)>'
/opt/openproject/bin/bundle:3:in `load'
/opt/openproject/bin/bundle:3:in `<main>'

Caused by:
LoadError: cannot load such file -- activerecord-session_store
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/runtime.rb:81:in `require'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/runtime.rb:81:in `block (2 levels) in require'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/runtime.rb:76:in `each'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/runtime.rb:76:in `block in require'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/runtime.rb:65:in `each'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/runtime.rb:65:in `require'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler.rb:114:in `require'
/opt/openproject/config/application.rb:70:in `<top (required)>'
/opt/openproject/Rakefile:33:in `require'
/opt/openproject/Rakefile:33:in `<top (required)>'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/rake-12.3.2/exe/rake:27:in `<top (required)>'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/cli/exec.rb:74:in `load'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/cli/exec.rb:74:in `kernel_load'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/cli/exec.rb:28:in `run'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/cli.rb:463:in `exec'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/vendor/thor/lib/thor/command.rb:27:in `run'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/vendor/thor/lib/thor/invocation.rb:126:in `invoke_command'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/vendor/thor/lib/thor.rb:387:in `dispatch'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/cli.rb:27:in `dispatch'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/vendor/thor/lib/thor/base.rb:466:in `start'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/cli.rb:18:in `start'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/exe/bundle:30:in `block in <top (required)>'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/friendly_errors.rb:124:in `with_friendly_errors'
/opt/openproject/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/exe/bundle:22:in `<top (required)>'
/opt/openproject/bin/bundle:3:in `load'
/opt/openproject/bin/bundle:3:in `<main>'
(See full trace by running task with --trace)