diff --git a/paramecio/cromosoma/webmodel.py b/paramecio/cromosoma/webmodel.py
index 8176346..c4da46f 100644
--- a/paramecio/cromosoma/webmodel.py
+++ b/paramecio/cromosoma/webmodel.py
@@ -466,7 +466,15 @@ class WebModel:
         
         try:
             
-            fields, values, update_values=self.check_all_fields(dict_values, external_agent)
+            #fields, values, update_values=self.check_all_fields(dict_values, external_agent)
+            arr_return=self.check_all_fields(dict_values, external_agent)
+
+            if arr_return:
+            
+                fields, values, update_values=arr_return
+                
+            else:
+                return False
             
         except: 
             self.query_error='Cannot insert the new row'