Unable to apply page restrictions for multiple users on SQL Server and Oracle

org.springframework.dao.DataIntegrityViolationException: Hibernate operation: could not insert: [com.atlassian.confluence.security.ContentPermission#1409029]; SQL []; Violation of UNIQUE KEY constraint 'cp_unique_group'. Cannot insert duplicate key in object 'dbo.CONTENT_PERM'.; nested exception is java.sql.SQLException: Violation of UNIQUE KEY constraint 'cp_unique_group'. Cannot insert duplicate key in object 'dbo.CONTENT_PERM'.
	at org.springframework.jdbc.support.SQLStateSQLExceptionTranslator.doTranslate(SQLStateSQLExceptionTranslator.java:100)
	at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:72)
	at org.springframework.orm.hibernate.HibernateTransactionManager.convertJdbcAccessException(HibernateTransactionManager.java:619)
	at org.springframework.orm.hibernate.HibernateTransactionManager.convertHibernateAccessException(HibernateTransactionManager.java:605)
	at org.springframework.orm.hibernate.HibernateTransactionManager.doCommit(HibernateTransactionManager.java:518)
	at org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:732)
	at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:701)
        ...