diff --git a/Gemfile b/Gemfile
index ae53f421..022275b8 100644
--- a/Gemfile
+++ b/Gemfile
@@ -87,7 +87,6 @@ gem 'after_commit_everywhere', '~> 1.0'
 gem 'aasm'
 gem 'que-web'
 gem 'nanoid'
-gem 'nice_partials'
 
 # database
 gem 'hairtrigger'
diff --git a/Gemfile.lock b/Gemfile.lock
index 547fab74..556f16e6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -389,8 +389,6 @@ GEM
       net-protocol
     net-ssh (7.2.1)
     netaddr (2.0.6)
-    nice_partials (0.10.0)
-      actionview (>= 4.2.6)
     nio4r (2.7.0-x86_64-linux-musl)
     nokogiri (1.16.4-x86_64-linux-musl)
       mini_portile2 (~> 2.8.2)
@@ -687,7 +685,6 @@ DEPENDENCIES
   mobility
   nanoid
   net-ssh
-  nice_partials
   nokogiri
   pg
   pg_search
diff --git a/app/services/post_service.rb b/app/services/post_service.rb
index 1de50f1b..db118d6c 100644
--- a/app/services/post_service.rb
+++ b/app/services/post_service.rb
@@ -20,11 +20,11 @@ PostService = Struct.new(:site, :usuarie, :post, :params, keyword_init: true) do
     end
 
     # Crea los posts anidados
-    create_nested_posts! post, params[:post]
+    create_nested_posts! post, params[base]
     post.save
     update_related_posts
 
-    commit(action: :created, add: files)
+    commit(action: :created, add: files) if post.valid?
 
     update_site_license!
 
@@ -50,14 +50,14 @@ PostService = Struct.new(:site, :usuarie, :post, :params, keyword_init: true) do
 
   def update
     post.usuaries << usuarie
-    params[:post][:draft] = true if site.invitade? usuarie
+    params[base][:draft] = true if site.invitade? usuarie
 
     # Eliminar ("mover") el archivo si cambió de ubicación.
     if post.update(post_params)
       rm = []
       rm << post.path.value_was if post.path.changed?
 
-      create_nested_posts! post, params[:post]
+      create_nested_posts! post, params[base]
       update_related_posts
 
       # Es importante que el artículo se guarde primero y luego los
@@ -149,11 +149,11 @@ PostService = Struct.new(:site, :usuarie, :post, :params, keyword_init: true) do
   end
 
   def locale
-    params.dig(:post, :lang)&.to_sym || I18n.locale
+    params.dig(base, :lang)&.to_sym || I18n.locale
   end
 
   def layout
-    params.dig(:post, :layout) || params[:layout]
+    params.dig(base, :layout) || params[:layout]
   end
 
   # Actualiza los artículos relacionados según los métodos que los
diff --git a/app/views/bootstrap/_modal.haml b/app/views/bootstrap/_modal.haml
index f6dafc2a..28014c6a 100644
--- a/app/views/bootstrap/_modal.haml
+++ b/app/views/bootstrap/_modal.haml
@@ -23,6 +23,9 @@
   local_assigns[:hide_actions] << 'click->modal#hide'
   local_assigns[:modal_content_attributes] ||= {}
 
+-# XXX: Necesario para poder generar todas las demás
+= yield
+
 .modal.fade{ tabindex: -1, aria: { hidden: 'true' }, data: { target: 'modal.modal' } }
   .modal-backdrop.fade{ data: { target: 'modal.backdrop', action: local_assigns[:hide_actions].join(' ') } }
   .modal-dialog.modal-dialog-scrollable.modal-dialog-centered
diff --git a/app/views/posts/attributes/_new_array.haml b/app/views/posts/attributes/_new_array.haml
index 394345a6..692a6898 100644
--- a/app/views/posts/attributes/_new_array.haml
+++ b/app/views/posts/attributes/_new_array.haml
@@ -1,7 +1,7 @@
 -#
   Genera un listado de checkboxes entre los que se puede elegir para guardar
 :ruby
-  id = "#{base}_#{attribute}"
+  id = "#{base.gsub(/[\[\]]/, '_')}_#{attribute}".squeeze('_')
   name = "#{base}[#{attribute}][]"
   form_id = "form-#{Nanoid.generate}"
 
diff --git a/app/views/posts/attributes/_new_has_many.haml b/app/views/posts/attributes/_new_has_many.haml
index 16d68322..48230759 100644
--- a/app/views/posts/attributes/_new_has_many.haml
+++ b/app/views/posts/attributes/_new_has_many.haml
@@ -8,7 +8,7 @@
   del formulario principal porque no se pueden anidar.
 
 :ruby
-  id = "#{base}_#{attribute}"
+  id = "#{base.gsub(/[\[\]]/, '_')}_#{attribute}".squeeze('_')
   name = "#{base}[#{attribute}][]"
   form_id = "form-#{Nanoid.generate}"
   modal_id = "modal-#{Nanoid.generate}"
diff --git a/app/views/posts/attributes/_new_predefined_array.haml b/app/views/posts/attributes/_new_predefined_array.haml
index 5203c12b..218a2cc2 100644
--- a/app/views/posts/attributes/_new_predefined_array.haml
+++ b/app/views/posts/attributes/_new_predefined_array.haml
@@ -3,7 +3,8 @@
   guardar, pero no se pueden agregar nuevos.
 
 :ruby
-  id = "#{base}_#{attribute}"
+  # @todo Convertir en un helper
+  id = "#{base.gsub(/[\[\]]/, '_')}_#{attribute}".squeeze('_')
   name = "#{base}[#{attribute}][]"
   form_id = "form-#{Nanoid.generate}"