Caused by: java.lang.IllegalArgumentException: Duplicate generator name generator
	at org.hibernate.boot.internal.InFlightMetadataCollectorImpl.addIdentifierGenerator(InFlightMetadataCollectorImpl.java:448) ~[hibernate-core-5.2.13.Final.jar!/:5.2.13.Final]
	at org.hibernate.cfg.AnnotationBinder.lambda$buildGenerators$0(AnnotationBinder.java:3369) ~[hibernate-core-5.2.13.Final.jar!/:5.2.13.Final]
	at java.util.HashMap.forEach(HashMap.java:1289) ~[?:1.8.0_161]
	at org.hibernate.cfg.AnnotationBinder.buildGenerators(AnnotationBinder.java:3368) ~[hibernate-core-5.2.13.Final.jar!/:5.2.13.Final]
	at org.hibernate.cfg.AnnotationBinder.processId(AnnotationBinder.java:2375) ~[hibernate-core-5.2.13.Final.jar!/:5.2.13.Final]
	at org.hibernate.cfg.AnnotationBinder.processElementAnnotations(AnnotationBinder.java:2289) ~[hibernate-core-5.2.13.Final.jar!/:5.2.13.Final]
	at org.hibernate.cfg.AnnotationBinder.processIdPropertiesIfNotAlready(AnnotationBinder.java:924) ~[hibernate-core-5.2.13.Final.jar!/:5.2.13.Final]
	at org.hibernate.cfg.AnnotationBinder.bindClass(AnnotationBinder.java:751) ~[hibernate-core-5.2.13.Final.jar!/:5.2.13.Final]
	at org.hibernate.boot.model.source.internal.annotations.AnnotationMetadataSourceProcessorImpl.processEntityHierarchies(AnnotationMetadataSourceProcessorImpl.java:249) ~[hibernate-core-5.2.13.Final.jar!/:5.2.13.Final]
	at org.hibernate.boot.model.process.spi.MetadataBuildingProcess$1.processEntityHierarchies(MetadataBuildingProcess.java:222) ~[hibernate-core-5.2.13.Final.jar!/:5.2.13.Final]
	at org.hibernate.boot.model.process.spi.MetadataBuildingProcess.complete(MetadataBuildingProcess.java:265) ~[hibernate-core-5.2.13.Final.jar!/:5.2.13.Final]
	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.metadata(EntityManagerFactoryBuilderImpl.java:861) ~[hibernate-core-5.2.13.Final.jar!/:5.2.13.Final]
	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:888) ~[hibernate-core-5.2.13.Final.jar!/:5.2.13.Final]
...