Exception in thread "main" org.h2.jdbc.JdbcSQLException: Invalid value "7" for parameter "columnIndex" [90008-193]
	at org.h2.message.DbException.getJdbcSQLException(DbException.java:345)
	at org.h2.message.DbException.get(DbException.java:179)
	at org.h2.message.DbException.getInvalidValueException(DbException.java:228)
	at org.h2.jdbc.JdbcResultSet.checkColumnIndex(JdbcResultSet.java:3191)
	at org.h2.jdbc.JdbcResultSet.get(JdbcResultSet.java:3219)
	at org.h2.jdbc.JdbcResultSet.getString(JdbcResultSet.java:292)
	at com.github.lantoine.lamsadetools.conferences.database.ConferenceDatabase.returnAllConferencesFromDatabase(ConferenceDatabase.java:238)
	at com.github.lantoine.lamsadetools.graphical_interface.Tester.fillConferenceTable(Tester.java:71)
	at com.github.lantoine.lamsadetools.graphical_interface.Tester.main(Tester.java:135)