Boa tarde,

estou tentando fazer a instalação e recebo a seguinte informação:

# php composer.phar create-project "novosga/novosga:v2.0.0-BETA5" ~/novosga

Do not run Composer as root/super user! See https://getcomposer.org/root for details
Installing novosga/novosga (v2.0.0-BETA5)
  - Installing novosga/novosga (v2.0.0-BETA5): Loading from cache
Created project in /root/novosga
Loading composer repositories with package information
Installing dependencies (including require-dev) from lock file
Package operations: 116 installs, 0 updates, 0 removals
  - Installing ocramius/package-versions (1.1.3): Loading from cache
  - Installing novosga/composer-installer-plugin (v1.0): Loading from cache
  - Installing symfony/flex (v1.0.41): Loading from cache
  - Installing doctrine/collections (v1.5.0): Loading from cache
  - Installing symfony/polyfill-mbstring (v1.6.0): Loading from cache
  - Installing doctrine/lexer (v1.0.1): Loading from cache
  - Installing doctrine/inflector (v1.2.0): Loading from cache
  - Installing doctrine/cache (v1.7.1): Loading from cache
  - Installing doctrine/annotations (v1.5.0): Loading from cache
  - Installing doctrine/common (v2.8.1): Loading from cache
  - Installing symfony/doctrine-bridge (v4.0.0-RC2): Loading from cache
  - Installing doctrine/doctrine-cache-bundle (1.3.2): Loading from cache
  - Installing symfony/yaml (v4.0.0-RC2): Loading from cache
  - Installing symfony/console (v4.0.0-RC2): Loading from cache
  - Installing zendframework/zend-eventmanager (3.2.0): Loading from cache
  - Installing zendframework/zend-code (3.3.0): Loading from cache
  - Installing ocramius/proxy-manager (2.1.1): Loading from cache
  - Installing doctrine/dbal (v2.6.3): Loading from cache
  - Installing doctrine/migrations (v1.6.2): Loading from cache
  - Installing jdorn/sql-formatter (v1.2.17): Loading from cache
  - Installing phpoption/phpoption (1.5.0): Loading from cache
  - Installing phpcollection/phpcollection (0.5.0): Loading from cache
  - Installing jms/parser-lib (1.0.0): Loading from cache
  - Installing jms/metadata (1.6.0): Loading from cache
  - Installing doctrine/instantiator (1.1.0): Loading from cache
  - Installing jms/serializer (1.9.2): Loading from cache
  - Installing novosga/core (dev-master 2c60485): Loading from cache
  - Installing novosga/attendance-bundle (dev-master 3b01822): Loading from cache
  - Installing novosga/monitor-bundle (dev-master 7b0390c): Loading from cache
  - Installing symfony/inflector (v4.0.0-RC2): Loading from cache
  - Installing symfony/property-access (v4.0.0-RC2): Loading from cache
  - Installing paragonie/random_compat (v2.0.11): Loading from cache
  - Installing symfony/polyfill-php70 (v1.6.0): Loading from cache
  - Installing symfony/http-foundation (v3.4.0-RC2): Loading from cache
  - Installing symfony/event-dispatcher (v4.0.0-RC2): Loading from cache
  - Installing psr/log (1.0.2): Loading from cache
  - Installing symfony/debug (v4.0.0-RC2): Loading from cache
  - Installing symfony/http-kernel (v4.0.0-RC2): Loading from cache
  - Installing symfony/security (v4.0.0-RC2): Loading from cache
  - Installing psr/container (1.0.0): Loading from cache
  - Installing symfony/dependency-injection (v4.0.0-RC2): Loading from cache
  - Installing symfony/security-bundle (v4.0.0-RC2): Loading from cache
  - Installing symfony/routing (v4.0.0-RC2): Loading from cache
  - Installing symfony/finder (v4.0.0-RC2): Loading from cache
  - Installing symfony/filesystem (v4.0.0-RC2): Loading from cache
  - Installing symfony/config (v4.0.0-RC2): Loading from cache
  - Installing psr/simple-cache (1.0.0): Loading from cache
  - Installing psr/cache (1.0.1): Loading from cache
  - Installing symfony/cache (v4.0.0-RC2): Loading from cache
  - Installing symfony/framework-bundle (v4.0.0-RC2): Loading from cache
  - Installing friendsofsymfony/oauth2-php (1.2.1): Loading from cache
  - Installing novosga/oauth-server-bundle (dev-master 3ee0778): Loading from cache
  - Installing novosga/reports-bundle (dev-master e530792): Loading from cache
  - Installing novosga/settings-bundle (dev-master 04bdeba): Loading from cache
  - Installing novosga/triage-bundle (dev-master afbe268): Loading from cache
  - Installing pagerfanta/pagerfanta (v1.0.5): Loading from cache
  - Installing novosga/users-bundle (dev-master 92560b6): Loading from cache
  - Installing workerman/workerman (v3.5.2): Loading from cache
  - Installing workerman/channel (v1.0.3): Loading from cache
  - Installing workerman/phpsocket.io (v1.1.5): Loading from cache
  - Installing novosga/websocket-server (dev-master 5ea09b3): Loading from cache
  - Installing sensio/framework-extra-bundle (v5.0.1): Loading from cache
  - Installing symfony/asset (v4.0.0-RC2): Loading from cache
  - Installing symfony/options-resolver (v4.0.0-RC2): Loading from cache
  - Installing symfony/intl (v4.0.0-RC2): Loading from cache
  - Installing symfony/polyfill-intl-icu (v1.6.0): Loading from cache
  - Installing symfony/form (v4.0.0-RC2): Loading from cache
  - Installing monolog/monolog (1.23.0): Loading from cache
  - Installing symfony/monolog-bridge (v4.0.0-RC2): Loading from cache
  - Installing symfony/monolog-bundle (v3.1.2): Loading from cache
  - Installing doctrine/orm (v2.5.12): Loading from cache
  - Installing doctrine/doctrine-bundle (1.8.1): Loading from cache
  - Installing doctrine/doctrine-migrations-bundle (v1.3.1): Loading from cache
  - Installing symfony/polyfill-php72 (v1.6.0): Loading from cache
  - Installing twig/twig (v2.4.4): Loading from cache
  - Installing symfony/var-dumper (v4.0.0-RC2): Loading from cache
  - Installing symfony/twig-bridge (v4.0.0-RC2): Loading from cache
  - Installing symfony/web-profiler-bundle (v4.0.0-RC2): Loading from cache
  - Installing symfony/twig-bundle (v4.0.0-RC2): Loading from cache
  - Installing symfony/stopwatch (v4.0.0-RC2): Loading from cache
  - Installing symfony/translation (v4.0.0-RC2): Loading from cache
  - Installing symfony/validator (v4.0.0-RC2): Loading from cache
  - Installing webmozart/assert (1.2.0): Loading from cache
  - Installing phpdocumentor/reflection-common (1.0.1): Loading from cache
  - Installing phpdocumentor/type-resolver (0.4.0): Loading from cache
  - Installing phpdocumentor/reflection-docblock (4.1.1): Loading from cache
  - Installing phpunit/php-token-stream (2.0.2): Loading from cache
  - Installing sebastian/version (2.0.1): Loading from cache
  - Installing sebastian/resource-operations (1.0.0): Loading from cache
  - Installing sebastian/recursion-context (3.0.0): Loading from cache
  - Installing sebastian/object-reflector (1.1.1): Loading from cache
  - Installing sebastian/object-enumerator (3.0.3): Loading from cache
  - Installing sebastian/global-state (2.0.0): Loading from cache
  - Installing sebastian/exporter (3.1.0): Loading from cache
  - Installing sebastian/environment (3.1.0): Loading from cache
  - Installing sebastian/diff (2.0.1): Loading from cache
  - Installing sebastian/comparator (2.1.0): Loading from cache
  - Installing phpunit/php-text-template (1.2.1): Loading from cache
  - Installing phpunit/phpunit-mock-objects (4.0.4): Loading from cache
  - Installing phpunit/php-timer (1.0.9): Loading from cache
  - Installing phpunit/php-file-iterator (1.4.5): Loading from cache
  - Installing theseer/tokenizer (1.1.0): Loading from cache
  - Installing sebastian/code-unit-reverse-lookup (1.0.1): Loading from cache
  - Installing phpunit/php-code-coverage (5.2.4): Loading from cache
  - Installing phpspec/prophecy (1.7.3): Loading from cache
  - Installing phar-io/version (1.0.1): Loading from cache
  - Installing phar-io/manifest (1.0.1): Loading from cache
  - Installing myclabs/deep-copy (1.7.0): Loading from cache
  - Installing phpunit/phpunit (6.4.4): Loading from cache
  - Installing squizlabs/php_codesniffer (3.1.1): Loading from cache
  - Installing symfony/dotenv (v4.0.0-RC2): Loading from cache
  - Installing symfony/process (v4.0.0-RC2): Loading from cache
  - Installing symfony/web-server-bundle (v4.0.0-RC2): Loading from cache
Generating autoload files
ocramius/package-versions:  Generating version class...
ocramius/package-versions: ...done generating version class
Executing script cache:clear [KO]
 [KO]
Script cache:clear returned with error code 1
!!
!!  In Translator.php line 421:
!!
!!    Invalid "en_US:en" locale.
!!
!!
!!

E tudo que tendo fazer depois, aparece esse mesmo erro:

# bin/console cache:clear --no-debug --no-warmup --env=prod

In Translator.php line 421:

  Invalid "en_US:en" locale.

Alguém poderia me ajudar?

Atenciosamente,

Conrado.