java.sql.BatchUpdateException: (conn=764) 
	at org.mariadb.jdbc.export.ExceptionFactory.createBatchUpdate(ExceptionFactory.java:181) ~[mariadb-java-client-3.1.4.jar:?]
	at org.mariadb.jdbc.ClientPreparedStatement.executeBatchBulk(ClientPreparedStatement.java:179) ~[mariadb-java-client-3.1.4.jar:?]
	at org.mariadb.jdbc.ClientPreparedStatement.executeInternalPreparedBatch(ClientPreparedStatement.java:115) ~[mariadb-java-client-3.1.4.jar:?]
	at org.mariadb.jdbc.ClientPreparedStatement.executeBatch(ClientPreparedStatement.java:466) ~[mariadb-java-client-3.1.4.jar:?]
	at com.dataguise.dbms.protection.JDBCReadWriteTransformation.insertMaskedDataInIntermediateTable(JDBCReadWriteTransformation.java:857) ~[protection-9.2.0-SNAPSHOT.jar:?]
	at com.dataguise.dbms.protection.JDBCReadWriteTransformation.fetchAndInsertData(JDBCReadWriteTransformation.java:795) ~[protection-9.2.0-SNAPSHOT.jar:?]
	at com.dataguise.dbms.protection.JDBCReadWriteTransformation.executeThread(JDBCReadWriteTransformation.java:543) ~[protection-9.2.0-SNAPSHOT.jar:?]
	at com.dataguise.dbms.protection.JDBCReadWriteTransformation.lambda$executeThreads$0(JDBCReadWriteTransformation.java:321) ~[protection-9.2.0-SNAPSHOT.jar:?]
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) ~[?:?]
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[?:?]
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[?:?]
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[?:?]
	at java.base/java.lang.Thread.run(Thread.java:1583) [?:?]
Caused by: java.sql.SQLException: (conn=764) 
	at org.mariadb.jdbc.export.ExceptionFactory.createException(ExceptionFactory.java:299) ~[mariadb-java-client-3.1.4.jar:?]
	at org.mariadb.jdbc.export.ExceptionFactory.create(ExceptionFactory.java:370) ~[mariadb-java-client-3.1.4.jar:?]
	at org.mariadb.jdbc.message.ClientMessage.readPacket(ClientMessage.java:134) ~[mariadb-java-client-3.1.4.jar:?]
	at org.mariadb.jdbc.client.impl.StandardClient.readPacket(StandardClient.java:872) ~[mariadb-java-client-3.1.4.jar:?]
	at org.mariadb.jdbc.client.impl.StandardClient.readResults(StandardClient.java:811) ~[mariadb-java-client-3.1.4.jar:?]
	at org.mariadb.jdbc.client.impl.StandardClient.readResponse(StandardClient.java:730) ~[mariadb-java-client-3.1.4.jar:?]
	at org.mariadb.jdbc.client.impl.StandardClient.execute(StandardClient.java:654) ~[mariadb-java-client-3.1.4.jar:?]
	at org.mariadb.jdbc.ClientPreparedStatement.executeBatchBulk(ClientPreparedStatement.java:166) ~[mariadb-java-client-3.1.4.jar:?]
	... 11 more