Update GlobalHelper.php

Fix error:
"An exception occurred while executing 'INSERT INTO t_contacto_crm_x_numero (comentario, contacto_crm_id, numero_id) VALUES (?, ?, ?)' with params {""1"":null,""2"":4008,""3"":12920}:
SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry '4008-12920' for key 'PRIMARY'"