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java.util.UnknownFormatConversionException: Conversion = '-'	at java.util.Formatter.checkText(Formatter.java:2503)	at java.util.Formatter.parse(Formatter.java:2485)	at java.util.Formatter.format(Formatter.java:2414)	at java.util.Formatter.format(Formatter.java:2367)	at java.lang.String.format(String.java:2769)	at org.jboss.logging.Slf4jLocationAwareLogger.doLogf(Slf4jLocationAwareLogger.java:85)	at org.jboss.logging.Logger.debugf(Logger.java:554)	at org.hibernate.internal.CoreMessageLogger_$logger.debugf(CoreMessageLogger_$logger.java:3784)	at org.hibernate.internal.util.EntityPrinter.toString(EntityPrinter.java:118)	at org.hibernate.event.internal.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:128)	at org.hibernate.event.internal.DefaultAutoFlushEventListener.onAutoFlush(DefaultAutoFlushEventListener.java:55)	at org.hibernate.internal.SessionImpl.autoFlushIfRequired(SessionImpl.java:1057)	at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1109)	at org.hibernate.internal.QueryImpl.list(QueryImpl.java:100)	at org.hibernate.ejb.QueryImpl.getSingleResult(QueryImpl.java:280)	at org.hibernate.ejb.criteria.CriteriaQueryCompiler$3.getSingleResult(CriteriaQueryCompiler.java:264)