./gradlew --no-daemon run
To honour the JVM settings for this build a new JVM will be forked. Please consider using the daemon:
Daemon will be stopped at the end of the build stopping after processing

Task :run
2020-10-30 16:05:51.397 INFO 47451 — [ main] : Starting…
2020-10-30 16:06:16.612 INFO 47451 — [ost-startStop-1] com.axelor.auth.pac4j.AuthPac4jModule : Loading pac4j: AuthPac4jModuleLocal
2020-10-30 16:06:16.954 INFO 47451 — [ost-startStop-1] com.axelor.auth.pac4j.AuthPac4jModule : Added local client: FormClient
2020-10-30 16:06:20.337 ERROR 47451 — [ost-startStop-1] o.a.c.c.C.[.[localhost].[/axelor-demo] : Exception starting filter [guiceFilter]
javax.persistence.PersistenceException: No Persistence provider for EntityManager named persistenceUnit
at javax.persistence.Persistence.createEntityManagerFactory(
at org.apache.catalina.core.ApplicationFilterConfig.initFilter(
at org.apache.catalina.core.ApplicationFilterConfig.getFilter(
at org.apache.catalina.core.ApplicationFilterConfig.(
at org.apache.catalina.core.StandardContext.filterStart(
at org.apache.catalina.core.StandardContext.startInternal(
at org.apache.catalina.util.LifecycleBase.start(
at org.apache.catalina.core.ContainerBase$
at org.apache.catalina.core.ContainerBase$
at java.util.concurrent.ThreadPoolExecutor.runWorker(
at java.util.concurrent.ThreadPoolExecutor$
2020-10-30 16:06:20.338 ERROR 47451 — [ost-startStop-1] o.apache.catalina.core.StandardContext : One or more Filters failed to start. Full details will be found in the appropriate container log file
2020-10-30 16:06:20.338 ERROR 47451 — [ost-startStop-1] o.apache.catalina.core.StandardContext : Context [/axelor-demo] startup failed due to previous errors

I get these errors when I try to run the app any help would be appreciated

what is java version ?

Thanks for your response. I have fixed the issue. The problem was from my folder structure.
Am new to axelor. How can I reach out to you for quick response when I am faced with another issue.