Hibernate Tools 3.1Alpha5 Ant Task

hbm2java is giving the below error messages. I am not sure I have seen them before. Are the messages normal or were there real problems with the reverse engineering?

Thanks,

SEVERE: Left side ($property.cascade) of '!=' operation has null value. Operation not possible. hbm/many-to-one.hbm.vm [line 13, column 26]
Oct 6, 2005 8:07:27 AM org.apache.velocity.tools.generic.log.CommonsLogLogSystem logVelocityMessage
SEVERE: RHS of #set statement is null. Context will not be modified. hbm/many-to-one.hbm.vm [line 16, column 1]
Oct 6, 2005 8:07:27 AM org.apache.velocity.tools.generic.log.CommonsLogLogSystem logVelocityMessage
SEVERE: Left side ($fetchmode) of '!=' operation has null value. Operation not possible. hbm/many-to-one.hbm.vm [line 17, column 19]
Oct 6, 2005 8:07:27 AM org.apache.velocity.tools.gener