Problème avec Sql developper

Bonjour

J'utilise depuis qlq mois SQL Developper pour se connecter à ma BD oracle
sauf qu' aujourd’hui le message d'erreur suivant apparaît en essayant de se connecter

Citation:

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" oracle i18n text converter characterconverterogs getinstance in oracle i18n text converter characterconverters"

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Trace de pile d'exception

Citation:

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java.lang.NoSuchMethodError: oracle.i18n.text.converter.CharacterConverterOGS.getInstance(I)Loracle/i18n/text/converter/CharacterConverter;
at oracle.sql.converter.CharacterConverterFactoryOGS.make(CharacterConverterFactoryOGS.java:43)
at oracle.sql.CharacterSetWithConverter.getInstance(CharacterSetWithConverter.java:97)
at oracle.sql.CharacterSetFactoryThin.make(CharacterSetFactoryThin.java:129)
at oracle.sql.CharacterSet.make(CharacterSet.java:514)
at oracle.jdbc.driver.DBConversion.init(DBConversion.java:169)
at oracle.jdbc.driver.DBConversion.<init>(DBConversion.java:120)
at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:1087)
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:308)
at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:536)
at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:228)
at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:32)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:521)
at oracle.jdeveloper.db.adapter.AbstractConnectionCreator.getConnection(AbstractConnectionCreator.java:153)
at oracle.dbtools.raptor.standalone.connection.RaptorConnectionCreator.getConnection(RaptorConnectionCreator.java:195)
at oracle.dbtools.raptor.dialogs.conn.ConnectionPrompt.promptForPassword(ConnectionPrompt.java:67)
at oracle.jdeveloper.db.adapter.DatabaseProvider.getConnection(DatabaseProvider.java:321)
at oracle.jdeveloper.db.adapter.DatabaseProvider.getConnection(DatabaseProvider.java:254)
at oracle.jdevimpl.db.adapter.CADatabaseFactory.createConnectionImpl(CADatabaseFactory.java:60)
at oracle.javatools.db.DatabaseFactory.createConnection(DatabaseFactory.java:534)
at oracle.javatools.db.DatabaseFactory.createDatabase(DatabaseFactory.java:208)
at oracle.jdeveloper.db.DatabaseConnections.getDatabase(DatabaseConnections.java:607)
at oracle.dbtools.raptor.utils.Connections$ConnectionInfo.getDatabase(Connections.java:156)
at oracle.dbtools.raptor.utils.Connections.getConnection(Connections.java:1043)
at oracle.dbtools.raptor.utils.Connections.getConnection(Connections.java:1024)
at oracle.dbtools.raptor.navigator.DatabaseConnection.openConnectionImpl(DatabaseConnection.java:115)
at oracle.dbtools.raptor.navigator.AbstractConnectionNode.getConnection(AbstractConnectionNode.java:30)
at oracle.dbtools.raptor.navigator.ConnectionFilter.getFactory(ConnectionFilter.java:94)
at oracle.dbtools.raptor.navigator.ConnectionFilter$1.doWork(ConnectionFilter.java:119)
at oracle.dbtools.raptor.navigator.ConnectionFilter$1.doWork(ConnectionFilter.java:104)
at oracle.dbtools.raptor.backgroundTask.RaptorTask.call(RaptorTask.java:193)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at oracle.dbtools.raptor.backgroundTask.RaptorTaskManager$RaptorFutureTask.run(RaptorTaskManager.java:515)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)

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