diff --git a/service.py b/service.py
index 82bbe0f..c0cdde7 100755
--- a/service.py
+++ b/service.py
@@ -20,6 +20,7 @@ PROCESSED_DIR = Path("data/processed")
 OUTPUT_DIR = Path("data/output")
 HTML_DIR = Path("data/html")
 SAP_B1_DIR = Path("data/sap_b1")
+ERRORS_DIR = Path("data/errors")
 TEMPLATE_FILE = _BASE / "template.html"
 
 POST_TO_SAP_B1 = True
@@ -242,10 +243,21 @@ def process_file(xml_path: Path):
                         county = result["County"]
                         log.info("CardCode={} (desde CRD1)".format(cardcode))
                     else:
-                        cardcode = emisor
-                        city = ""
-                        county = ""
-                        log.info("CardCode={} (fallback emisor)".format(cardcode))
+                        cardcode = ""
+                        log.warning("No se obtuvo Socio de negocios para el {}.{}".format(emisor, lugar_entrega))
+                        try:
+                            from mail_sender import send_mail
+                            send_mail(
+                                subject=f"OC {cab.get('numero_oc', '')} — Sin socio de negocios",
+                                text=f"No se obtuvo Socio de negocios para el {emisor}.{lugar_entrega}",
+                            )
+                            log.info("Correo de notificación enviado")
+                        except Exception as e:
+                            log.warning("Error enviando correo de notificación: {}".format(e))
+                        ERRORS_DIR.mkdir(parents=True, exist_ok=True)
+                        shutil.move(str(xml_path), str(ERRORS_DIR / xml_path.name))
+                        log.info("📁 XML movido a errors/")
+                        return
 
                     item_catalog = get_item_catalog(cardcode)
                     pricelist = get_price_list(cardcode)