diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index aeea361ba1..7ae785e33f 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -14,6 +14,8 @@ class ApplicationController < ActionController::Base
   around_action :use_logidze_responsible, only: %i[create destroy update transfer] # rubocop:disable Rails/LexicallyScopedActionFilter
   around_action :switch_locale
 
+  helper_method :error_message
+
   def set_current_user
     Current.user = current_user
     yield
@@ -65,4 +67,8 @@ def route_not_found
   def pipelines_enabled?
     @pipelines_enabled = Irida::Pipelines.instance.available_pipelines.any?
   end
+
+  def error_message(object)
+    object.errors.full_messages.to_sentence
+  end
 end
diff --git a/app/controllers/concerns/attachment_actions.rb b/app/controllers/concerns/attachment_actions.rb
index b236c9de9b..4492cad069 100644
--- a/app/controllers/concerns/attachment_actions.rb
+++ b/app/controllers/concerns/attachment_actions.rb
@@ -78,7 +78,7 @@ def destroy # rubocop:disable Metrics/MethodLength
           render status: :unprocessable_entity,
                  locals: { message: t('.error',
                                       filename: @attachment.file.filename,
-                                      errors: @attachment.errors.full_messages.first),
+                                      errors: error_message(@attachment)),
                            destroyed_attachments: nil }
         end
       end
diff --git a/app/controllers/concerns/bot_actions.rb b/app/controllers/concerns/bot_actions.rb
index fced0d5f77..8e2fa8b18b 100644
--- a/app/controllers/concerns/bot_actions.rb
+++ b/app/controllers/concerns/bot_actions.rb
@@ -45,7 +45,7 @@ def create # rubocop:disable Metrics/MethodLength
           render status: :unprocessable_entity,
                  locals:
                 { type: 'alert',
-                  message: @new_bot_account[:bot_user_account].errors.full_messages.first,
+                  message: error_message(@new_bot_account[:bot_user_account]),
                   bot_params: }
 
         end
@@ -74,7 +74,7 @@ def destroy
           render status: :unprocessable_entity,
                  locals: {
                    type: 'alert',
-                   message: @bot_account.errors.full_messages.first
+                   message: error_message(@bot_account)
                  }
         end
       end
diff --git a/app/controllers/concerns/bot_personal_access_token_actions.rb b/app/controllers/concerns/bot_personal_access_token_actions.rb
index 1104ca5806..1cbec58f82 100644
--- a/app/controllers/concerns/bot_personal_access_token_actions.rb
+++ b/app/controllers/concerns/bot_personal_access_token_actions.rb
@@ -47,7 +47,7 @@ def create # rubocop:disable Metrics/MethodLength
           render status: :unprocessable_entity,
                  locals:
                 { type: 'alert',
-                  message: @personal_access_token.errors.full_messages.first }
+                  message: error_message(@personal_access_token) }
 
         end
       end
@@ -75,7 +75,7 @@ def revoke
           }
         else
           render status: :unprocessable_entity, locals: { type: 'alert',
-                                                          message: @personal_access_token.errors.full_messages.first }
+                                                          message: error_message(@personal_access_token) }
         end
       end
     end
diff --git a/app/controllers/concerns/membership_actions.rb b/app/controllers/concerns/membership_actions.rb
index 0e07f29f86..921ef14703 100644
--- a/app/controllers/concerns/membership_actions.rb
+++ b/app/controllers/concerns/membership_actions.rb
@@ -50,7 +50,7 @@ def create # rubocop:disable Metrics/MethodLength
       respond_to do |format|
         format.turbo_stream do
           render status: :unprocessable_entity, locals: { member: @new_member, type: 'alert',
-                                                          message: @new_member.errors.full_messages.first }
+                                                          message: error_message(@new_member) }
         end
       end
     end
@@ -81,7 +81,7 @@ def destroy # rubocop:disable Metrics/AbcSize, Metrics/MethodLength, Metrics/Per
                   I18n.t('activerecord.errors.models.member.destroy.last_member_self',
                          namespace_type: @namespace.class.model_name.human)
                 else
-                  @member.errors.full_messages.first
+                  error_message(@member)
                 end
 
       respond_to do |format|
@@ -106,7 +106,7 @@ def update # rubocop:disable Metrics/MethodLength
         format.turbo_stream do
           render status: :bad_request,
                  locals: { member: @member, type: 'alert',
-                           message: @member.errors.full_messages.first }
+                           message: error_message(@member) }
         end
       end
     end
diff --git a/app/controllers/concerns/share_actions.rb b/app/controllers/concerns/share_actions.rb
index 1dd2b03e26..7f39753800 100644
--- a/app/controllers/concerns/share_actions.rb
+++ b/app/controllers/concerns/share_actions.rb
@@ -50,13 +50,13 @@ def create # rubocop:disable Metrics/MethodLength, Metrics/AbcSize
           render status: :unprocessable_entity,
                  locals: { namespace_group_link: @created_namespace_group_link,
                            type: 'alert',
-                           message: @created_namespace_group_link.errors.full_messages.first }
+                           message: error_message(@created_namespace_group_link) }
         end
       end
     end
   end
 
-  def destroy # rubocop:disable Metrics/MethodLength, Metrics/AbcSize
+  def destroy # rubocop:disable Metrics/MethodLength
     GroupLinks::GroupUnlinkService.new(current_user, @namespace_group_link).execute
     @pagy, @namespace_group_links = pagy(load_namespace_group_links)
 
@@ -73,7 +73,7 @@ def destroy # rubocop:disable Metrics/MethodLength, Metrics/AbcSize
           format.turbo_stream do
             render status: :unprocessable_entity,
                    locals: { namespace_group_link: @namespace_group_link, type: 'alert',
-                             message: @namespace_group_link.errors.full_messages.first }
+                             message: error_message(@namespace_group_link) }
           end
         end
       else
diff --git a/app/controllers/data_exports_controller.rb b/app/controllers/data_exports_controller.rb
index e0ee4b6009..1e22ea86c5 100644
--- a/app/controllers/data_exports_controller.rb
+++ b/app/controllers/data_exports_controller.rb
@@ -42,14 +42,14 @@ def new
     end
   end
 
-  def create # rubocop:disable Metrics/AbcSize
+  def create
     @data_export = DataExports::CreateService.new(current_user, data_export_params).execute
 
     if @data_export.errors.any?
       respond_to do |format|
         format.turbo_stream do
           render status: :unprocessable_entity,
-                 locals: { type: 'alert', message: @data_export.errors.full_messages.first,
+                 locals: { type: 'alert', message: error_message(@data_export),
                            export_type: data_export_params['export_type'] }
         end
       end
diff --git a/app/controllers/groups_controller.rb b/app/controllers/groups_controller.rb
index c30327590c..70c5259194 100644
--- a/app/controllers/groups_controller.rb
+++ b/app/controllers/groups_controller.rb
@@ -89,7 +89,7 @@ def destroy
       flash[:success] = t('.success', group_name: @group.name)
       redirect_to dashboard_groups_path(format: :html)
     else
-      flash[:error] = @group.errors.full_messages.first
+      flash[:error] = error_message(@group)
       redirect_to group_path(@group)
     end
   end
diff --git a/app/controllers/profiles/personal_access_tokens_controller.rb b/app/controllers/profiles/personal_access_tokens_controller.rb
index ec307791ad..d93211cb8f 100644
--- a/app/controllers/profiles/personal_access_tokens_controller.rb
+++ b/app/controllers/profiles/personal_access_tokens_controller.rb
@@ -25,7 +25,7 @@ def create # rubocop:disable Metrics/MethodLength
           format.turbo_stream do
             render status: :unprocessable_entity, locals: { personal_access_token: @personal_access_token,
                                                             new_personal_access_token: nil,
-                                                            message: @personal_access_token.errors.full_messages.first }
+                                                            message: error_message(@personal_access_token) }
           end
         end
       end
diff --git a/app/controllers/projects/samples/attachments/concatenations_controller.rb b/app/controllers/projects/samples/attachments/concatenations_controller.rb
index a84bef9ff2..a37afb108f 100644
--- a/app/controllers/projects/samples/attachments/concatenations_controller.rb
+++ b/app/controllers/projects/samples/attachments/concatenations_controller.rb
@@ -25,7 +25,7 @@ def create
           if @sample.errors.empty?
             render status: :ok, locals: { type: :success, message: t('.success') }
           else
-            @errors = @sample.errors.full_messages.first
+            @errors = error_message(@sample)
             render status: :unprocessable_entity, locals: { type: :danger,
                                                             message: @errors }
           end
diff --git a/app/controllers/projects/samples/attachments_controller.rb b/app/controllers/projects/samples/attachments_controller.rb
index 8b1d7fbfaa..379de30a44 100644
--- a/app/controllers/projects/samples/attachments_controller.rb
+++ b/app/controllers/projects/samples/attachments_controller.rb
@@ -63,7 +63,7 @@ def destroy # rubocop:disable Metrics/MethodLength
               render status: :unprocessable_entity,
                      locals: { message: t('.error',
                                           filename: @attachment.file.filename,
-                                          errors: @attachment.errors.full_messages.first),
+                                          errors: error_message(@attachment)),
                                destroyed_attachments: nil }
             end
           end
diff --git a/app/controllers/projects/samples/deletions_controller.rb b/app/controllers/projects/samples/deletions_controller.rb
index 627f6e39ce..d123b652a0 100644
--- a/app/controllers/projects/samples/deletions_controller.rb
+++ b/app/controllers/projects/samples/deletions_controller.rb
@@ -28,7 +28,7 @@ def destroy
           else
             format.turbo_stream do
               render status: :unprocessable_entity,
-                     locals: { type: 'alert', message: @sample.errors.full_messages.first }
+                     locals: { type: 'alert', message: error_message(@sample) }
             end
           end
         end
diff --git a/app/controllers/projects/samples/metadata/deletions_controller.rb b/app/controllers/projects/samples/metadata/deletions_controller.rb
index 78340d5ff9..0cfb0cd8cc 100644
--- a/app/controllers/projects/samples/metadata/deletions_controller.rb
+++ b/app/controllers/projects/samples/metadata/deletions_controller.rb
@@ -54,7 +54,7 @@ def get_destroy_messages(deleted_keys)
                           message: t('projects.samples.metadata.deletions.destroy.multi_success',
                                      deleted_keys: deleted_keys.join(', ')) }
           end
-          messages << { type: 'error', message: @sample.errors.full_messages.first } if @sample.errors.any?
+          messages << { type: 'error', message: error_message(@sample) } if @sample.errors.any?
           messages
         end
       end
diff --git a/app/controllers/projects/samples/metadata/fields_controller.rb b/app/controllers/projects/samples/metadata/fields_controller.rb
index 81dcd376d6..33aa27cb44 100644
--- a/app/controllers/projects/samples/metadata/fields_controller.rb
+++ b/app/controllers/projects/samples/metadata/fields_controller.rb
@@ -16,7 +16,7 @@ def create
                                                            create_field_params['create_fields']).execute
 
           if @sample.errors.any?
-            render status: :unprocessable_entity, locals: { type: 'error', message: @sample.errors.full_messages.first }
+            render status: :unprocessable_entity, locals: { type: 'error', message: error_message(@sample) }
           else
             status = get_create_status(create_metadata_fields[:added_keys], create_metadata_fields[:existing_keys])
             messages = get_create_messages(create_metadata_fields[:added_keys], create_metadata_fields[:existing_keys])
@@ -95,7 +95,7 @@ def get_update_status_and_message(updated_metadata_field)
               { type: 'success', message: t('projects.samples.metadata.fields.update.success') }
           else
             update_render_params[:status] = :unprocessable_entity
-            update_render_params[:message] = { type: 'error', message: @sample.errors.full_messages.first }
+            update_render_params[:message] = { type: 'error', message: error_message(@sample) }
           end
           update_render_params
         end
diff --git a/app/controllers/projects_controller.rb b/app/controllers/projects_controller.rb
index 30d7874a77..d00e8d1fdf 100644
--- a/app/controllers/projects_controller.rb
+++ b/app/controllers/projects_controller.rb
@@ -98,7 +98,7 @@ def destroy
       flash[:success] = t('.success', project_name: @project.name)
       redirect_to dashboard_projects_path(format: :html)
     else
-      flash[:error] = @project.errors.full_messages.first
+      flash[:error] = error_message(@project)
       redirect_to project_path(@project)
     end
   end
diff --git a/app/views/projects/samples/attachments/deletions/destroy.turbo_stream.erb b/app/views/projects/samples/attachments/deletions/destroy.turbo_stream.erb
index 5524c4b550..da614789b8 100644
--- a/app/views/projects/samples/attachments/deletions/destroy.turbo_stream.erb
+++ b/app/views/projects/samples/attachments/deletions/destroy.turbo_stream.erb
@@ -15,8 +15,8 @@
           t(
             ".error",
             filename: attachment.file.filename,
-            errors: attachment.errors.full_messages.first
-          )
+            errors: error_message(attachment),
+          ),
       ) %>
     <% end %>
   <% end %>
@@ -26,6 +26,6 @@
   "table-listing",
   partial: "projects/samples/attachments/table",
   locals: {
-    attachments: @sample.attachments
-  }
+    attachments: @sample.attachments,
+  },
 ) %>
diff --git a/app/views/projects/samples/metadata/destroy.turbo_stream.erb b/app/views/projects/samples/metadata/destroy.turbo_stream.erb
index ed4e6729a3..8688b940b4 100644
--- a/app/views/projects/samples/metadata/destroy.turbo_stream.erb
+++ b/app/views/projects/samples/metadata/destroy.turbo_stream.erb
@@ -2,8 +2,8 @@
   <%= turbo_stream.update "update-alert",
                       viral_alert(
                         type: "alert",
-                        message: @sample.errors.full_messages.first,
-                        classes: "mb-4"
+                        message: error_message(@sample),
+                        classes: "mb-4",
                       ) %>
 <% else %>
   <%= turbo_stream.append "flashes" do %>
@@ -13,7 +13,7 @@
   <%= turbo_stream.update "table-listing" do %>
     <% render partial: "projects/samples/metadata/table",
     locals: {
-      sample_metadata: @sample.metadata_with_provenance
+      sample_metadata: @sample.metadata_with_provenance,
     } %>
   <% end %>
 <% end %>
diff --git a/app/views/projects/samples/metadata/fields/update.turbo_stream.erb b/app/views/projects/samples/metadata/fields/update.turbo_stream.erb
index 8699cd77d3..51c287594d 100644
--- a/app/views/projects/samples/metadata/fields/update.turbo_stream.erb
+++ b/app/views/projects/samples/metadata/fields/update.turbo_stream.erb
@@ -4,16 +4,16 @@
   locals: {
     open: @sample.errors.any?,
     key: defined?(key) ? key : nil,
-    value: defined?(value) ? value : nil
-  }
+    value: defined?(value) ? value : nil,
+  },
 ) %>
 
 <% if @sample.errors.any? %>
   <%= turbo_stream.update "update-alert",
                       viral_alert(
                         type: "alert",
-                        message: @sample.errors.full_messages.first,
-                        classes: "mb-4"
+                        message: error_message(@sample),
+                        classes: "mb-4",
                       ) %>
 <% else %>
   <%= turbo_stream.append "flashes" do %>
@@ -23,7 +23,7 @@
   <%= turbo_stream.update "table-listing" do %>
     <% render partial: "projects/samples/metadata/table",
     locals: {
-      sample_metadata: @sample.metadata_with_provenance
+      sample_metadata: @sample.metadata_with_provenance,
     } %>
   <% end %>
 <% end %>
diff --git a/test/models/user_test.rb b/test/models/user_test.rb
index b1e95345f1..165de7df79 100644
--- a/test/models/user_test.rb
+++ b/test/models/user_test.rb
@@ -91,7 +91,7 @@ def setup
                current_password: 'password1' }
 
     assert_not @user.update_password_with_password(params)
-    assert_equal "Password confirmation doesn't match Password", @user.errors.full_messages.first
+    assert_equal "Password confirmation doesn't match Password", @user.errors.full_messages.to_sentence
   end
 
   test 'unable to update password with blank password' do
@@ -99,7 +99,7 @@ def setup
                current_password: 'password1' }
 
     assert_not @user.update_password_with_password(params)
-    assert_equal "Password can't be blank", @user.errors.full_messages.first
+    assert_equal "Password can't be blank", @user.errors.full_messages.to_sentence
   end
 
   test 'unable to update password with wrong password' do
@@ -107,7 +107,7 @@ def setup
                current_password: 'wrong_password' }
 
     assert_not @user.update_password_with_password(params)
-    assert_equal 'Current password is invalid', @user.errors.full_messages.first
+    assert_equal 'Current password is invalid', @user.errors.full_messages.to_sentence
   end
 
   test 'full_name should combine the users first and last names' do
diff --git a/test/services/data_exports/create_service_test.rb b/test/services/data_exports/create_service_test.rb
index 7045a85aeb..6096910f32 100644
--- a/test/services/data_exports/create_service_test.rb
+++ b/test/services/data_exports/create_service_test.rb
@@ -49,7 +49,7 @@ def setup
       assert_no_difference -> { DataExport.count } do
         data_export = DataExports::CreateService.new(@user, invalid_params).execute
         assert_equal I18n.t('services.data_exports.create.invalid_export_samples'),
-                     data_export.errors.full_messages.first
+                     data_export.errors.full_messages.to_sentence
       end
     end
 
@@ -63,7 +63,7 @@ def setup
       assert_no_difference -> { DataExport.count } do
         data_export = DataExports::CreateService.new(@user, invalid_params).execute
         assert_equal I18n.t('services.data_exports.create.invalid_export_samples'),
-                     data_export.errors.full_messages.first
+                     data_export.errors.full_messages.to_sentence
       end
     end
 
@@ -117,7 +117,7 @@ def setup
       assert_no_difference -> { DataExport.count } do
         data_export = DataExports::CreateService.new(@user, invalid_params).execute
         assert_equal I18n.t('services.data_exports.create.invalid_export_workflow_executions'),
-                     data_export.errors.full_messages.first
+                     data_export.errors.full_messages.to_sentence
       end
     end
 
@@ -218,7 +218,7 @@ def setup
       assert_no_difference -> { DataExport.count } do
         data_export = DataExports::CreateService.new(user, valid_params).execute
         assert_equal I18n.t('services.data_exports.create.invalid_export_workflow_executions'),
-                     data_export.errors.full_messages.first
+                     data_export.errors.full_messages.to_sentence
       end
     end
 
@@ -273,7 +273,7 @@ def setup
       assert_no_difference -> { DataExport.count } do
         data_export = DataExports::CreateService.new(user, invalid_params).execute
         assert_equal I18n.t('services.data_exports.create.invalid_export_samples'),
-                     data_export.errors.full_messages.first
+                     data_export.errors.full_messages.to_sentence
       end
     end
 
@@ -293,7 +293,7 @@ def setup
       assert_no_difference -> { DataExport.count } do
         data_export = DataExports::CreateService.new(user, invalid_params).execute
         assert_equal I18n.t('services.data_exports.create.invalid_export_samples'),
-                     data_export.errors.full_messages.first
+                     data_export.errors.full_messages.to_sentence
       end
     end
 
@@ -498,7 +498,7 @@ def setup
       assert_no_difference -> { DataExport.count } do
         data_export = DataExports::CreateService.new(@user, params).execute
         assert_equal I18n.t('services.data_exports.create.invalid_export_workflow_executions'),
-                     data_export.errors.full_messages.first
+                     data_export.errors.full_messages.to_sentence
       end
     end
 
@@ -511,7 +511,7 @@ def setup
       assert_no_difference -> { DataExport.count } do
         data_export = DataExports::CreateService.new(@user, params).execute
         assert_equal I18n.t('services.data_exports.create.invalid_export_workflow_executions'),
-                     data_export.errors.full_messages.first
+                     data_export.errors.full_messages.to_sentence
       end
     end
 
@@ -524,7 +524,7 @@ def setup
       assert_no_difference -> { DataExport.count } do
         data_export = DataExports::CreateService.new(@user, params).execute
         assert_equal I18n.t('services.data_exports.create.non_completed_workflow_executions'),
-                     data_export.errors.full_messages.first
+                     data_export.errors.full_messages.to_sentence
       end
     end
 
@@ -538,7 +538,7 @@ def setup
       assert_no_difference -> { DataExport.count } do
         data_export = DataExports::CreateService.new(@user, params).execute
         assert_equal I18n.t('services.data_exports.create.non_completed_workflow_executions'),
-                     data_export.errors.full_messages.first
+                     data_export.errors.full_messages.to_sentence
       end
     end
   end