What the q can be this error?

javax.ejb.EJBException: nested exception is: java.rmi.ServerException:
RemoteException occurred in server thread; nested exception is:
java.rmi.RemoteException: Stateless SessionBean method returned
without completing transaction
java.rmi.ServerException: RemoteException occurred in server thread; nested
exception is:
java.rmi.RemoteException: Stateless SessionBean method returned
without completing transaction
at
com.sun.corba.ee.impl.javax.rmi.CORBA.Util.mapSystemException(Util.java:243)
at
com.sun.corba.ee.impl.presentation.rmi.StubInvocationHandlerImpl.privateInvoke(StubInvocationHandlerImpl.java:205)
at
com.sun.corba.ee.impl.presentation.rmi.StubInvocationHandlerImpl.invoke(StubInvocationHandlerImpl.java:152)
at
com.sun.corba.ee.impl.presentation.rmi.bcel.BCELStubBase.invoke(BCELStubBase.java:225)
at
br.eti.stifabricasw.sgrep.beans.__OrdemServicoFacadeRemote_Remote_DynamicStub.create(br/eti/stifabricasw/sgrep/beans/__OrdemServicoFacadeRemote_Remote_DynamicStub.java)
at
br.eti.stifabricasw.sgrep.beans._OrdemServicoFacadeRemote_Wrapper.create(br/eti/stifabricasw/sgrep/beans/_OrdemServicoFacadeRemote_Wrapper.java)

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Jean Carlos
^^^^~~^^^^~~^^^^~~^^^^~~


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