Hello, my datahub-frontend container isn't starting..docker logs:

...
19:58:16,434 |-INFO in ch.qos.logback.classic.joran.JoranConfigurator@5efa40fe - Registering current configuration as safe fallback point
19:58:30 [application-akka.actor.default-dispatcher-2] INFO  akka.event.slf4j.Slf4jLogger - Slf4jLogger started
19:58:34 [main] WARN  c.l.r.t.h.client.HttpClientFactory - No scheduled executor is provided to HttpClientFactory, using it's own scheduled executor.
19:58:34 [main] WARN  c.l.r.t.h.client.HttpClientFactory - No callback executor is provided to HttpClientFactory, using it's own call back executor.
19:58:34 [main] WARN  c.l.r.t.h.client.HttpClientFactory - No Compression executor is provided to HttpClientFactory, using it's own compression executor.
19:58:34 [main] INFO  c.l.r.t.h.client.HttpClientFactory - The service 'null' has been assigned to the ChannelPoolManager with key 'noSpecifiedNamePrefix 1138266797 ' 
19:58:41 [main] WARN  c.l.r.t.h.client.HttpClientFactory - No scheduled executor is provided to HttpClientFactory, using it's own scheduled executor.
19:58:41 [main] WARN  c.l.r.t.h.client.HttpClientFactory - No callback executor is provided to HttpClientFactory, using it's own call back executor.
19:58:41 [main] WARN  c.l.r.t.h.client.HttpClientFactory - No Compression executor is provided to HttpClientFactory, using it's own compression executor.
19:58:41 [main] INFO  c.l.r.t.h.client.HttpClientFactory - The service 'null' has been assigned to the ChannelPoolManager with key 'noSpecifiedNamePrefix 1138266797 ' 
ANTLR Tool version 4.5 used for code generation does not match the current runtime version 4.8ANTLR Runtime version 4.5 used for parser compilation does not match the current runtime version 4.8ANTLR Tool version 4.5 used for code generation does not match the current runtime version 4.8ANTLR Runtime version 4.5 used for parser compilation does not match the current runtime version 4.8ERROR StatusLogger No log4j2 configuration file found. Using default configuration: logging only errors to the console. Set system property 'log4j2.debug' to show Log4j2 internal initialization logging.
19:58:59 [main] INFO  play.api.Play - Application started (Prod)
19:59:17 [main] INFO  play.core.server.AkkaHttpServer - Listening for HTTP on /0.0.0.0:9001
This application is already running (Or delete /datahub-frontend/play.pid file).
This application is already running (Or delete /datahub-frontend/play.pid file).
This application is already running (Or delete /datahub-frontend/play.pid file).
This application is already running (Or delete /datahub-frontend/play.pid file).
This application is already running (Or delete /datahub-frontend/play.pid file).