HTTP Status 500 - Null value was assigned to a property of primitive type setter of cn.neu.ssh.domain.Employee.estatus; nested exception is org.hibernate.PropertyAccessException: Null value was assigned to a property of primitive type setter of cn.neu.ssh.domain.Employee.estatustype?Exception reportmessage?Null value was assigned to a property of primitive type setter of cn.neu.ssh.domain.Employee.estatus; nested exception is org.hibernate.PropertyAccessException: Null value was assigned to a property of primitive type setter of cn.neu.ssh.domain.Employee.estatusdescription?The server encountered an internal error that prevented it from fulfilling this request.