SQL Warning in the logs when saving XWiki.Notifications.Code.NotificationAdministration document in HSQLDB

2020-08-04 18:33:56.191:INFO:oxtjl.NotifyListener:main: ----------------------------------
2020-08-04 18:33:56.195:INFO:oxtjl.NotifyListener:main: Server started, you can now open http://vmassol:8080/ in your browser to access your wiki.
2020-08-04 18:33:56.195:INFO:oxtjl.NotifyListener:main: ----------------------------------
2020-08-04 18:34:03,425 [XWiki initialization] INFO  .HibernateDataMigrationManager - Storage schema updates and data migrations are enabled 
2020-08-04 18:34:03,740 [XWiki initialization] INFO  .HibernateDataMigrationManager - No data migration to apply for wiki [xwiki] currently in version [1138000] 
2020-08-04 18:34:03,740 [XWiki initialization] INFO  .HibernateDataMigrationManager - Checking Hibernate mapping and updating schema if needed for wiki [xwiki] 
2020-08-04 18:34:06,439 [Asynchronous handler for event store [solr]] WARN  o.h.e.j.s.SqlExceptionHelper   - SQL Warning Code: -1100, SQLState: 02000 
2020-08-04 18:34:06,439 [Asynchronous handler for event store [solr]] WARN  o.h.e.j.s.SqlExceptionHelper   - no data