validation error on group name does not put group name in stack

grouper-api;grouper_error.log;aws-test;224588347132;2021-10-15 05:16:55,456: [DefaultQuartzScheduler_Worker-7] ERROR GrouperLoaderJob.runJob(485) -  - Error on job: SQL_GROUP_LIST__basis:roster:loader_rosters_monty__a79074e3d2c843208a5df1ea697a886f

edu.internet2.middleware.grouper.hooks.logic.HookVeto: veto.stem.unique.nameCaseInsensitive: The folder name is already in use, please use a different name

	at edu.internet2.middleware.grouper.hooks.examples.StemUniqueNameCaseInsensitiveHook.verifyCaseInsensitiveName(StemUniqueNameCaseInsensitiveHook.java:124)

	at edu.internet2.middleware.grouper.hooks.examples.StemUniqueNameCaseInsensitiveHook.stemPreInsert(StemUniqueNameCaseInsensitiveHook.java:93)

	at sun.reflect.GeneratedMethodAccessor1009.invoke(Unknown Source)

	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

	at java.lang.reflect.Method.invoke(Method.java:498)

	at edu.internet2.middleware.grouper.util.GrouperUtil.invokeMethod(GrouperUtil.java:5032)

	at edu.internet2.middleware.grouper.hooks.logic.GrouperHooksUtils.executeHook(GrouperHooksUtils.java:508)

	at edu.internet2.middleware.grouper.hooks.logic.GrouperHooksUtils.callHooksIfRegistered(GrouperHooksUtils.java:308)

	at edu.internet2.middleware.grouper.hooks.logic.GrouperHooksUtils.callHooksIfRegistered(GrouperHooksUtils.java:247)

	at edu.internet2.middleware.grouper.hooks.logic.GrouperHooksUtils.callHooksIfRegistered(GrouperHooksUtils.java:173)

	at edu.internet2.middleware.grouper.Stem.onPreSave(Stem.java:3704)

	at edu.internet2.middleware.grouper.hibernate.ByObject.save(ByObject.java:274)

	at edu.internet2.middleware.grouper.hibernate.ByObjectStatic$7.callback(ByObjectStatic.java:494)

	at edu.internet2.middleware.grouper.hibernate.HibernateSession.callbackHibernateSession(HibernateSession.java:703)

	at edu.internet2.middleware.grouper.hibernate.ByObjectStatic.save(ByObjectStatic.java:481)

	at edu.internet2.middleware.grouper.internal.dao.hib3.Hib3StemDAO.createChildStem(Hib3StemDAO.java:233)

	at edu.internet2.middleware.grouper.Stem$9.callback(Stem.java:2860)

	at edu.internet2.middleware.grouper.hibernate.HibernateSession.callbackHibernateSession(HibernateSession.java:703)

	at edu.internet2.middleware.grouper.Stem.internal_addChildStem(Stem.java:2817)

	at edu.internet2.middleware.grouper.Stem.addChildStem(Stem.java:616)

	at edu.internet2.middleware.grouper.StemSave$1$1.callback(StemSave.java:490)

	at edu.internet2.middleware.grouper.GrouperSession.callbackGrouperSession(GrouperSession.java:1000)

	at edu.internet2.middleware.grouper.StemSave$1.callback(StemSave.java:587)

	at edu.internet2.middleware.grouper.internal.dao.hib3.Hib3TransactionDAO$1.callback(Hib3TransactionDAO.java:66)

	at edu.internet2.middleware.grouper.hibernate.HibernateSession.callbackHibernateSession(HibernateSession.java:703)

	at edu.internet2.middleware.grouper.internal.dao.hib3.Hib3TransactionDAO.transactionCallback(Hib3TransactionDAO.java:56)

	at edu.internet2.middleware.grouper.hibernate.GrouperTransaction.callbackGrouperTransaction(GrouperTransaction.java:87)

	at edu.internet2.middleware.grouper.hibernate.GrouperTransaction.callbackGrouperTransaction(GrouperTransaction.java:106)

	at edu.internet2.middleware.grouper.StemSave.save(StemSave.java:358)

	at edu.internet2.middleware.grouper.app.loader.GrouperLoaderType.syncFolderList(GrouperLoaderType.java:1974)

	at edu.internet2.middleware.grouper.app.loader.GrouperLoaderType.syncGroupList(GrouperLoaderType.java:1857)

	at edu.internet2.middleware.grouper.app.loader.GrouperLoaderType$5.runJob(GrouperLoaderType.java:575)

	at edu.internet2.middleware.grouper.app.loader.GrouperLoaderJob.runJob(GrouperLoaderJob.java:465)

	at edu.internet2.middleware.grouper.app.loader.GrouperLoaderJob.execute(GrouperLoaderJob.java:345)

	at org.quartz.core.JobRunShell.run(JobRunShell.java:202)

	at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:573)