[RuntimeException: No JPA entity manager defined for 'default']

play {
  modules {
    enabled += "play.api.db.DBModule"
    enabled += "play.api.db.HikariCPModule"
    enabled += "play.db.jpa.JPAModule"
  }
  # Database configuration
  db {
    default = "default"
    prototype = {
      pool = "hikaricp"
      url = "jdbc:postgresql://localhost:5432/playdb"
      username = postgres
      password = "######"
      jndiName = DefaultDS
      jpaUnit = defaultPersistenceUnit

      # HikariCP configuration options
      hikaricp {
        dataSourceClassName = org.postgresql.ds.PGSimpleDataSource
        autoCommit = true
        connectionTimeout = 30 seconds
        idleTimeout = 10 minutes
        maxLifetime = 30 minutes
        connectionTestQuery = "SELECT 1"
        minimumIdle = null
        maximumPoolSize = 10
        poolName = null
        initializationFailFast = true
        isolateInternalQueries = false
        allowPoolSuspension = false
        readOnly = false
        registerMbeans = false
        catalog = null
        connectionInitSql = null
        transactionIsolation = null
        validationTimeout = 5 seconds
        leakDetectionThreshold = null
      }
    }
  }
}