diff --git a/app/controllers/dmsf_workflows_controller.rb b/app/controllers/dmsf_workflows_controller.rb
index 571067e6..29334714 100644
--- a/app/controllers/dmsf_workflows_controller.rb
+++ b/app/controllers/dmsf_workflows_controller.rb
@@ -29,6 +29,7 @@ class DmsfWorkflowsController < ApplicationController
   before_action :authorize_custom
   before_action :permissions, only: [:new_action, :assignment, :start]
   before_action :approver_candidates, only: [:remove_step, :show, :reorder_steps, :add_step]
+  before_action :prevent_from_editing, only: [:destroy, :remove_step, :update, :add_step, :update_step, :reorder_steps]
 
   layout :workflows_layout
 
@@ -50,7 +51,8 @@ class DmsfWorkflowsController < ApplicationController
 
   def index
     @status = params[:status] || 1
-    @workflow_pages, @workflows = paginate DmsfWorkflow.status(@status).global.sorted, per_page: 25
+    @workflow_pages, @workflows = paginate(DmsfWorkflow.status(@status).global.sorted, per_page: 25)
+    @path = dmsf_workflows_path
   end
 
   def action
@@ -350,7 +352,6 @@ class DmsfWorkflowsController < ApplicationController
 
   def new_step
     @steps = @dmsf_workflow.dmsf_workflow_steps.select('step, MAX(name) AS name').group(:step)
-
     respond_to do |format|
       format.html
       format.js
@@ -360,7 +361,7 @@ class DmsfWorkflowsController < ApplicationController
   def add_step
     if request.post?
       if params[:step] == '0'
-        step = @dmsf_workflow.dmsf_workflow_steps.collect{|s| s.step}.uniq.count + 1
+        step = @dmsf_workflow.dmsf_workflow_steps.collect{ |s| s.step }.uniq.count + 1
       else
         step = params[:step].to_i
       end
@@ -409,7 +410,9 @@ class DmsfWorkflowsController < ApplicationController
 
   def reorder_steps
     if request.put?
-      unless @dmsf_workflow.reorder_steps(params[:step].to_i, params[:dmsf_workflow][:position].to_i)
+      if @assigned
+        error_dmsf_workflow_assigned
+      elsif !@dmsf_workflow.reorder_steps(params[:step].to_i, params[:dmsf_workflow][:position].to_i)
         flash[:error] = l(:notice_cannot_renumber_steps)
       end
     end
@@ -532,4 +535,17 @@ private
     @approving_candidates = @project ? @project.users.to_a : User.active.to_a
   end
 
+  def prevent_from_editing
+    # A workflow in use can be neither edited nor deleted
+    @assigned = DmsfFileRevision.where(dmsf_workflow_id: @dmsf_workflow.id).exists?
+    if(@assigned && (!request.put?))
+      flash[:error] = l(:error_dmsf_workflow_assigned)
+      if @project
+        redirect_back_or_default settings_project_path(@project, tab: 'dmsf_workflow')
+      else
+        redirect_back_or_default dmsf_workflows_path
+      end
+    end
+  end
+
 end
diff --git a/app/helpers/dmsf_workflows_helper.rb b/app/helpers/dmsf_workflows_helper.rb
index 228a3b10..4bfb1e21 100644
--- a/app/helpers/dmsf_workflows_helper.rb
+++ b/app/helpers/dmsf_workflows_helper.rb
@@ -100,24 +100,4 @@ module DmsfWorkflowsHelper
     s.html_safe
   end
 
-  def change_status_link(workflow)
-    url = { controller: 'dmsf_workflows', action: 'update', id: workflow.id }
-    if workflow.locked?
-      link_to l(:button_unlock), url.merge(dmsf_workflow: { status: DmsfWorkflow::STATUS_ACTIVE }), method: :put,
-              class: 'icon icon-unlock'
-    else
-      link_to l(:button_lock), url.merge(dmsf_workflow: { status: DmsfWorkflow::STATUS_LOCKED }), method: :put,
-              class: 'icon icon-lock'
-    end
-  end
-
-  def workflows_status_options_for_select(selected)
-    worflows_count_by_status = DmsfWorkflow.global.group('status').count.to_hash
-    options_for_select([[l(:label_all), ''],
-      ["#{l(:status_active)} (#{worflows_count_by_status[DmsfWorkflow::STATUS_ACTIVE].to_i})",
-       DmsfWorkflow::STATUS_ACTIVE.to_s],
-      ["#{l(:status_locked)} (#{worflows_count_by_status[DmsfWorkflow::STATUS_LOCKED].to_i})",
-       DmsfWorkflow::STATUS_LOCKED.to_s]], selected.to_s)
-  end
-
 end
\ No newline at end of file
diff --git a/app/models/dmsf_folder.rb b/app/models/dmsf_folder.rb
index 815d270d..f0a6bf6a 100644
--- a/app/models/dmsf_folder.rb
+++ b/app/models/dmsf_folder.rb
@@ -22,7 +22,7 @@
 
 class DmsfFolder < ActiveRecord::Base
   include RedmineDmsf::Lockable
-  
+
   belongs_to :project
   belongs_to :dmsf_folder
   belongs_to :deleted_by_user, class_name: 'User', foreign_key: 'deleted_by_user_id'
diff --git a/app/views/dmsf_workflows/_main.html.erb b/app/views/dmsf_workflows/_main.html.erb
index 6fb129c2..7936da87 100644
--- a/app/views/dmsf_workflows/_main.html.erb
+++ b/app/views/dmsf_workflows/_main.html.erb
@@ -20,24 +20,37 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 %>
 
-<% @workflows = DmsfWorkflow.active.sorted.where(project_id: @project.id) if @project && @workflows.nil?  %>
-
-<% unless @project %>
-  <div class="contextual">  
-    <%= link_to l(:label_dmsf_workflow_new), new_dmsf_workflow_path, class: 'icon icon-add' %>
+<% if @project %>
+  <% @status = params[:status] || 1 %>
+  <% @workflows = DmsfWorkflow.status(@status).where(project_id: @project.id).sorted %>
+  <% @path = settings_project_path(@project, tab: 'dmsf_workflow') %>
+  <p>
+    <%= link_to l(:label_dmsf_workflow_new), new_dmsf_workflow_path(project_id: @project&.id), class: 'icon icon-add' %>
+  </p>
+<% else %>
+  <div class="contextual">
+    <%= link_to l(:label_dmsf_workflow_new), new_dmsf_workflow_path(project_id: @project&.id), class: 'icon icon-add' %>
   </div>
-  <h2><%= l(:label_dmsf_workflow_plural)%></h2>
-  <%= form_tag(dmsf_workflows_path, method: :get) do %>
-    <fieldset>
-      <legend><%= l(:label_filter_plural) %></legend>
-      <label for='status'><%= l(:field_status) %>:</label>
-      <%= select_tag 'status', workflows_status_options_for_select(@status), class: 'small',
-                     onchange: 'this.form.submit(); return false;' %>
-    </fieldset>    
-  <% end %>&nbsp;
-<% end %>  
+  <h2><%= l(:label_dmsf_workflow_plural) %></h2>
+<% end %>
 
-<% if @workflows.any? %>  
+<%= form_tag(@path, method: :get) do %>
+  <fieldset>
+    <legend><%= l(:label_filter_plural) %></legend>
+    <label for='status'><%= l(:field_status) %>:</label>
+    <%
+    worflows_count_by_status = DmsfWorkflow.where(project_id: @project&.id).group(:status).count.to_hash
+    options = options_for_select([[l(:label_all), ''],
+      ["#{l(:status_active)} (#{worflows_count_by_status[DmsfWorkflow::STATUS_ACTIVE].to_i})",
+      DmsfWorkflow::STATUS_ACTIVE.to_s],
+      ["#{l(:status_locked)} (#{worflows_count_by_status[DmsfWorkflow::STATUS_LOCKED].to_i})",
+      DmsfWorkflow::STATUS_LOCKED.to_s]], @status.to_s)
+    %>
+    <%= select_tag 'status', options, class: 'small', onchange: 'this.form.submit(); return false;' %>
+  </fieldset>
+<% end %>&nbsp;
+
+<% if @workflows.any? %>
   <table class="list">
     <thead><tr>
       <th><%= l(:field_name) %></th>
@@ -48,8 +61,15 @@
         <tr id="workflow-<%= workflow.id %>" class="dmsf-workflows <%= workflow.active? ? 'active' : 'locked' %>">
           <td class="name"><%= link_to(h(workflow.name), dmsf_workflow_path(workflow)) %></td>
           <td class="buttons">
-            <%= change_status_link(workflow) unless @project %>
-            <%= delete_link dmsf_workflow_path(workflow) %>
+            <% url = { controller: 'dmsf_workflows', action: 'update', id: workflow.id } %>
+            <% if workflow.locked? %>
+            <%= link_to l(:button_unlock), url.merge(dmsf_workflow: { status: DmsfWorkflow::STATUS_ACTIVE }),
+                  method: :put, class: 'icon icon-unlock' %>
+            <% else %>
+              <%= link_to l(:button_lock), url.merge(dmsf_workflow: { status: DmsfWorkflow::STATUS_LOCKED }),
+                    method: :put, class: 'icon icon-lock' %>
+            <% end %>
+            <%= delete_link dmsf_workflow_path(workflow, back_url: @path) %>
           </td>
         </tr>
       <% end %>
@@ -59,13 +79,6 @@
   <p class="nodata"><%= l(:label_no_data) %></p>
 <% end %>
 
-<% if @project %>
-  <p>
-    <%= link_to l(:label_dmsf_workflow_new), new_dmsf_workflow_path(project_id: @project.id),
-                class: 'button button-positive icon icon-add' %>
-  </p>
-<% else %>
-  <% if @workflow_pages %>
-    <span class="pagination"><%= pagination_links_full @workflow_pages %></span>
-  <% end %>
+<% unless @project %>
+  <span class="pagination"><%= pagination_links_full @workflow_pages %></span>
 <% end %>
diff --git a/app/views/dmsf_workflows/_new_step_modal.html.erb b/app/views/dmsf_workflows/_new_step_modal.html.erb
index f4f2bf9c..cf6bc46e 100644
--- a/app/views/dmsf_workflows/_new_step_modal.html.erb
+++ b/app/views/dmsf_workflows/_new_step_modal.html.erb
@@ -23,6 +23,7 @@
 <h3 class="title"><%= l(:dmsf_new_step) %></h3>
 
 <%= labelled_form_for(@dmsf_workflow, { url: edit_dmsf_workflow_path(@dmsf_workflow), method: :post }) do |f| %>
+  <%= hidden_field_tag :back_url, dmsf_workflow_path(@dmsf_workflow) %>
   <fieldset class="box">
     <legend><%= l(:label_dmsf_workflow_add_approver) %></legend>
     <p><%= label_tag 'user_search', l(:label_user_search) %><%= text_field_tag 'user_search', nil %></p>
@@ -31,17 +32,15 @@
       <%= render_principals_for_new_dmsf_workflow_users @dmsf_workflow %>
     </div>
   </fieldset>
-
   <fieldset class="box">
     <legend><%= l(:label_dmsf_workflow_step) %></legend>
     <%= select_tag 'step', dmsf_workflow_steps_options_for_select(@steps),
-                   id: 'selected_step', onchange: "$('#dmsf_step_name').toggle(this.value == 0);", style: 'max-width: 40%' %>
+          id: 'selected_step', onchange: "$('#dmsf_step_name').toggle(this.value == 0);", style: 'max-width: 40%' %>
     <span id="dmsf_step_name">&nbsp;
       <%= label_tag 'name', l(:field_name) %>
       <%= text_field_tag 'name', nil, maxlength: 30, style: 'max-width: 40%' %>
   </span>
   </fieldset>
-
   <p class="buttons">
     <%= l(:label_add_width) %>
     <%= f.submit l(:dmsf_and), id: 'add-step-and' %>
diff --git a/app/views/dmsf_workflows/_steps.html.erb b/app/views/dmsf_workflows/_steps.html.erb
index 1b91e163..c79f3633 100644
--- a/app/views/dmsf_workflows/_steps.html.erb
+++ b/app/views/dmsf_workflows/_steps.html.erb
@@ -20,13 +20,11 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 %>
 
-<% if @dmsf_workflow.project %>
-  <h2><%= link_to l(:label_dmsf_workflow_plural), settings_project_path(@project, tab: 'dmsf_workflow') %> &#187; <%=h @dmsf_workflow %></h2>
-<% else %>
-  <h2><%= link_to l(:label_dmsf_workflow_plural), dmsf_workflows_path %> &#187; <%=h @dmsf_workflow %></h2>
-<% end %>
+<% path = @dmsf_workflow.project ? settings_project_path(@project, tab: 'dmsf_workflow') : dmsf_workflows_path %>
+<h2><%= link_to l(:label_dmsf_workflow_plural), path %> &#187; <%=h @dmsf_workflow %></h2>
 
 <%= labelled_form_for @dmsf_workflow do |f| %>
+  <%= hidden_field_tag :back_url, dmsf_workflow_path(@dmsf_workflow) %>
   <%= error_messages_for 'workflow' %>
   <div class="box tabular">
     <p>
@@ -38,7 +36,8 @@
 
 <div id="tab-content-members">
   <p>
-    <%= link_to l(:dmsf_new_step_or_approver), new_step_dmsf_workflow_path(@dmsf_workflow), remote: true, class: 'icon icon-add' %>
+    <%= link_to l(:dmsf_new_step_or_approver), new_step_dmsf_workflow_path(@dmsf_workflow), remote: true,
+          class: 'icon icon-add' %>
   </p>
   <% steps = @dmsf_workflow.dmsf_workflow_steps.collect{|s| s.step}.uniq %>
   <% if steps.any? %>
@@ -56,10 +55,12 @@
           <td class="id"><%= i %></td>
           <td class="name">
             <span id="step-index-<%= index %>-name"><%= @dmsf_workflow.dmsf_workflow_steps[index].name if index %></span>
-            <div id="<%= "step-index-#{index}-name-form" %>" class="hol">
+            <div id="<%= "step-index-#{index}-name-form" %>">
               <%= form_for(@dmsf_workflow, url: update_step_dmsf_workflow_path(step: index), method: :put,
                            html: { id: "step-index-name-#{index}-form" }) do |f| %>
-                <%= f.text_field(:step_name, value: @dmsf_workflow.dmsf_workflow_steps[index].name, id: "dmsf_workflow_step_name_#{index}") %>
+                <%= hidden_field_tag :back_url, dmsf_workflow_path(@dmsf_workflow) %>
+                <%= f.text_field(:step_name, value: @dmsf_workflow.dmsf_workflow_steps[index].name,
+                      id: "dmsf_workflow_step_name_#{index}") %>
                 <p>
                   <%= submit_tag l(:button_change), class: 'small' %>
                   <%= link_to_function(
@@ -72,7 +73,8 @@
           </td>
           <td>
             <span id="step-index-<%= index %>-approvers">
-              <% stps = @dmsf_workflow.dmsf_workflow_steps.collect{ |s| (s.step == i) ? s : nil }.compact %>
+              <% stps = @dmsf_workflow.dmsf_workflow_steps.order(operator: :desc).
+                collect{ |s| (s.step == i) ? s : nil }.compact %>
               <% stps.each_with_index do |step, j| %>
                 <% if (j > 0) || (step.operator != DmsfWorkflowStep::OPERATOR_AND) %>
                   <b><%= step.soperator %></b>
@@ -80,9 +82,10 @@
                 <%= link_to_user step.user %>
               <% end %>
             </span>
-            <div id="<%= "step-index-#{index}-approvers-form" %>" class="hol">
+            <div id="<%= "step-index-#{index}-approvers-form" %>">
               <%= form_for(@dmsf_workflow, url: update_step_dmsf_workflow_path(step: index), method: :put,
                            html: { id: "step-index-operator-#{index}-form"}) do |_| %>
+                <%= hidden_field_tag :back_url, dmsf_workflow_path(@dmsf_workflow) %>
                 <div class="dmsf-parent-container">
                   <% stps.each do |step| %>
                       <div class="dmsf-child-container">
@@ -121,7 +124,8 @@
               <%= link_to_function l(:button_edit),
                      "$('#step-index-#{index}-name').hide(); $('#step-index-#{index}-approvers').hide(); $('#step-index-#{index}-name-form').show(); $('#step-index-#{index}-approvers-form').show();",
                      class: 'icon icon-edit' %>
-              <%= delete_link edit_dmsf_workflow_path @dmsf_workflow, step: i %>
+              <%= delete_link edit_dmsf_workflow_path(@dmsf_workflow, step: i,
+                    back_url: dmsf_workflow_path(@dmsf_workflow)) %>
             </td>
           <% end %>
         </tr>
diff --git a/assets/stylesheets/redmine_dmsf.css b/assets/stylesheets/redmine_dmsf.css
index 1c9e26eb..a1bd0f4a 100644
--- a/assets/stylesheets/redmine_dmsf.css
+++ b/assets/stylesheets/redmine_dmsf.css
@@ -54,9 +54,22 @@
 }
 
 /* Approval workflow */
-#dmsf_users_for_delegate { height: 200px; overflow:auto; }
-#dmsf_users_for_delegate label { display: block; }
-.dmsf-workflows.locked a { color: #aaa; }
+#dmsf_users_for_delegate {
+    height: 200px;
+    overflow:auto;
+}
+
+#dmsf_users_for_delegate label {
+    display: block;
+}
+
+.dmsf-workflows.locked a {
+    color: #aaa;
+}
+
+div[id^="step-index-"] {
+    display: none;
+}
 
 /* DMSF revision box */
 #new_revision_form_content {
diff --git a/config/locales/cs.yml b/config/locales/cs.yml
index f220088e..0e7ea35d 100644
--- a/config/locales/cs.yml
+++ b/config/locales/cs.yml
@@ -462,6 +462,7 @@ cs:
 
   label_dmsf_global_menu_disabled: Globální DMS menu zakázáno
   note_dmsf_global_menu_disabled: Pokud je zašrtnuto, tak položka DMS není v hlavním menu.
+  error_dmsf_workflow_assigned: Použitý schvalovací proces nemůže být ani upraven ani smazán.
 
   easy_pages:
     modules:
diff --git a/config/locales/de.yml b/config/locales/de.yml
index 38c08328..88c2cde6 100644
--- a/config/locales/de.yml
+++ b/config/locales/de.yml
@@ -458,6 +458,7 @@ de:
 
   label_dmsf_global_menu_disabled: Global DMS menu disabled
   note_dmsf_global_menu_disabled: If yes, DMS menu item is not present in the top menu.
+  error_dmsf_workflow_assigned: Der verwendete Genehmigungs-Workflow kann weder bearbeitet noch gelöscht werden.
 
   easy_pages:
     modules:
diff --git a/config/locales/en.yml b/config/locales/en.yml
index ee8ab184..adb46450 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -462,6 +462,7 @@ en:
 
   label_dmsf_global_menu_disabled: Global DMS menu disabled
   note_dmsf_global_menu_disabled: If yes, DMS menu item is not present in the top menu.
+  error_dmsf_workflow_assigned: Approval workflow in use can be neither edited nor deleted.
 
   easy_pages:
     modules:
diff --git a/config/locales/es.yml b/config/locales/es.yml
index 99a130b8..aa2a7cb3 100644
--- a/config/locales/es.yml
+++ b/config/locales/es.yml
@@ -462,6 +462,7 @@ es:
 
   label_dmsf_global_menu_disabled: Global DMS menu disabled
   note_dmsf_global_menu_disabled: If yes, DMS menu item is not present in the top menu.
+  error_dmsf_workflow_assigned: Approval workflow in use can be neither edited nor deleted.
 
   easy_pages:
     modules:
diff --git a/config/locales/fa.yml b/config/locales/fa.yml
index 08eee264..94bbe9b5 100644
--- a/config/locales/fa.yml
+++ b/config/locales/fa.yml
@@ -441,6 +441,7 @@ fa:
 
   label_dmsf_global_menu_disabled: Global DMS menu disabled
   note_dmsf_global_menu_disabled: If yes, DMS menu item is not present in the top menu.
+  error_dmsf_workflow_assigned: Approval workflow in use can be neither edited nor deleted.
 
   easy_pages:
     modules:
diff --git a/config/locales/fr.yml b/config/locales/fr.yml
index 9408e1ba..2e7248e7 100644
--- a/config/locales/fr.yml
+++ b/config/locales/fr.yml
@@ -462,6 +462,7 @@ fr:
 
   label_dmsf_global_menu_disabled: Global DMS menu disabled
   note_dmsf_global_menu_disabled: If yes, DMS menu item is not present in the top menu.
+  error_dmsf_workflow_assigned: Approval workflow in use can be neither edited nor deleted.
 
   easy_pages:
     modules:
diff --git a/config/locales/hu.yml b/config/locales/hu.yml
index a5a3b9e9..80b8641c 100644
--- a/config/locales/hu.yml
+++ b/config/locales/hu.yml
@@ -461,6 +461,7 @@ hu:
 
   label_dmsf_global_menu_disabled: Global DMS menu disabled
   note_dmsf_global_menu_disabled: If yes, DMS menu item is not present in the top menu.
+  error_dmsf_workflow_assigned: Approval workflow in use can be neither edited nor deleted.
 
   easy_pages:
     modules:
diff --git a/config/locales/it.yml b/config/locales/it.yml
index 8e6b36fe..0ebef318 100644
--- a/config/locales/it.yml
+++ b/config/locales/it.yml
@@ -462,6 +462,7 @@ it: # Italian strings thx 2 Matteo Arceci!
 
   label_dmsf_global_menu_disabled: Global DMS menu disabled
   note_dmsf_global_menu_disabled: If yes, DMS menu item is not present in the top menu.
+  error_dmsf_workflow_assigned: Approval workflow in use can be neither edited nor deleted.
 
   easy_pages:
     modules:
diff --git a/config/locales/ja.yml b/config/locales/ja.yml
index a24094e8..6efcc6f9 100644
--- a/config/locales/ja.yml
+++ b/config/locales/ja.yml
@@ -463,6 +463,7 @@ ja:
 
   label_dmsf_global_menu_disabled: Global DMS menu disabled
   note_dmsf_global_menu_disabled: If yes, DMS menu item is not present in the top menu.
+  error_dmsf_workflow_assigned: Approval workflow in use can be neither edited nor deleted.
 
   easy_pages:
     modules:
diff --git a/config/locales/ko.yml b/config/locales/ko.yml
index aa42153a..6f133063 100644
--- a/config/locales/ko.yml
+++ b/config/locales/ko.yml
@@ -462,6 +462,7 @@ ko:
 
   label_dmsf_global_menu_disabled: Global DMS menu disabled
   note_dmsf_global_menu_disabled: If yes, DMS menu item is not present in the top menu.
+  error_dmsf_workflow_assigned: Approval workflow in use can be neither edited nor deleted.
 
   easy_pages:
     modules:
diff --git a/config/locales/nl.yml b/config/locales/nl.yml
index e2b7fa74..2ed1c5ed 100644
--- a/config/locales/nl.yml
+++ b/config/locales/nl.yml
@@ -462,6 +462,7 @@ nl:
 
   label_dmsf_global_menu_disabled: Global DMS menu disabled
   note_dmsf_global_menu_disabled: If yes, DMS menu item is not present in the top menu.
+  error_dmsf_workflow_assigned: Approval workflow in use can be neither edited nor deleted.
 
   easy_pages:
     modules:
diff --git a/config/locales/pl.yml b/config/locales/pl.yml
index c74ce554..d8248979 100644
--- a/config/locales/pl.yml
+++ b/config/locales/pl.yml
@@ -462,6 +462,7 @@ pl:
 
   label_dmsf_global_menu_disabled: Global DMS menu disabled
   note_dmsf_global_menu_disabled: If yes, DMS menu item is not present in the top menu.
+  error_dmsf_workflow_assigned: Approval workflow in use can be neither edited nor deleted.
 
   easy_pages:
     modules:
diff --git a/config/locales/pt-BR.yml b/config/locales/pt-BR.yml
index cdc2476c..80666111 100644
--- a/config/locales/pt-BR.yml
+++ b/config/locales/pt-BR.yml
@@ -462,6 +462,7 @@ pt-BR:
 
   label_dmsf_global_menu_disabled: Global DMS menu disabled
   note_dmsf_global_menu_disabled: If yes, DMS menu item is not present in the top menu.
+  error_dmsf_workflow_assigned: Approval workflow in use can be neither edited nor deleted.
 
   easy_pages:
     modules:
diff --git a/config/locales/sl.yml b/config/locales/sl.yml
index e1ee796c..e8144205 100644
--- a/config/locales/sl.yml
+++ b/config/locales/sl.yml
@@ -462,6 +462,7 @@ sl:
 
   label_dmsf_global_menu_disabled: Global DMS menu disabled
   note_dmsf_global_menu_disabled: If yes, DMS menu item is not present in the top menu.
+  error_dmsf_workflow_assigned: Approval workflow in use can be neither edited nor deleted.
 
   easy_pages:
     modules:
diff --git a/config/locales/zh-TW.yml b/config/locales/zh-TW.yml
index 9f7d89e8..0d977ccd 100644
--- a/config/locales/zh-TW.yml
+++ b/config/locales/zh-TW.yml
@@ -461,6 +461,7 @@ zh-TW:
 
   label_dmsf_global_menu_disabled: Global DMS menu disabled
   note_dmsf_global_menu_disabled: If yes, DMS menu item is not present in the top menu.
+  error_dmsf_workflow_assigned: Approval workflow in use can be neither edited nor deleted.
 
   easy_pages:
     modules:
diff --git a/config/locales/zh.yml b/config/locales/zh.yml
index 4ac65a5b..6341a4f1 100644
--- a/config/locales/zh.yml
+++ b/config/locales/zh.yml
@@ -462,6 +462,7 @@ zh:
 
   label_dmsf_global_menu_disabled: Global DMS menu disabled
   note_dmsf_global_menu_disabled: If yes, DMS menu item is not present in the top menu.
+  error_dmsf_workflow_assigned: Approval workflow in use can be neither edited nor deleted.
 
   easy_pages:
     modules: