Caused by: javax.ejb.CreateException: Error checking if entity exists: java.sql.SQLSyntaxErrorException: ORA-01722: Invalid number

Hello, I have a problem inserting data using EJB. Here is the error, and my classes until then by insertion. Does anyone know what the problem is?

ERROR:

16:35:48,011 ERROR [OrganizationUnit] Error checking if entity exists

java.sql.SQLSyntaxErrorException: ORA-01722: número inválido