diff --git a/app/lib/active_storage/service/jekyll_service.rb b/app/lib/active_storage/service/jekyll_service.rb
index 92b26e0e..3edd2653 100644
--- a/app/lib/active_storage/service/jekyll_service.rb
+++ b/app/lib/active_storage/service/jekyll_service.rb
@@ -67,7 +67,9 @@ module ActiveStorage
       # @param :key [String]
       # @return [String]
       def filename_for(key)
-        ActiveStorage::Blob.where(key: key).limit(1).pluck(:filename).first
+        ActiveStorage::Blob.where(key: key).limit(1).pluck(:filename).first.tap do |filename|
+          raise ArgumentError, "Filename for key #{key} is blank" if filename.blank?
+        end
       end
 
       # Crea una ruta para la llave con un nombre conocido.
diff --git a/app/models/metadata_file.rb b/app/models/metadata_file.rb
index 4ea026b4..00ac7af0 100644
--- a/app/models/metadata_file.rb
+++ b/app/models/metadata_file.rb
@@ -124,13 +124,15 @@ class MetadataFile < MetadataTemplate
   # devolvemos la ruta original, que puede ser el archivo que no existe
   # o vacía si se está subiendo uno.
   rescue Errno::ENOENT => e
-    ExceptionNotifier.notify_exception(e)
+    ExceptionNotifier.notify_exception(e, data: { site: site.name, path: value['path'] })
 
     Pathname.new(value['path'])
   end
 
   def relative_destination_path_with_filename
     destination_path_with_filename.relative_path_from(Pathname.new(site.path).realpath)
+  rescue ArgumentError => e
+    ExceptionNotifier.notify_exception(e, data: { site: site.name, path: value['path'] })
   end
 
   def static_file_path