diff --git a/CHANGELOG.md b/CHANGELOG.md
index 38417ff15..c3bde60f9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog Fab-manager
 
+- Fix a bug: unable to run task fix_invoice_item when some invoice items are associated with errors
+- [TODO DEPLOY] `rails fablab:fix:invoice_items_in_error` THEN `rails fablab:fix_invoice_items` THEN `rails db:migrate`
+
 ## v5.6.5 2023 January 9
 
 - Moved the buttons to create a new machine or availability to the admin section
@@ -24,7 +27,7 @@
 - Fix a bug: cryptic error message when failed to create a manager
 - Fix a bug: unable to restore accounting periods closed by a deleted admin
 - Fix a bug: unable to build an accounting archive if the operator was deleted
-- Fix a bug: unable to udpate an event category
+- Fix a bug: unable to update an event category
 
 ## v5.6.1 2023 January 6
 
diff --git a/lib/tasks/fablab/fix.rake b/lib/tasks/fablab/fix.rake
index 73959c870..d71f64ccd 100644
--- a/lib/tasks/fablab/fix.rake
+++ b/lib/tasks/fablab/fix.rake
@@ -177,7 +177,7 @@ namespace :fablab do
 
     desc '[release 4.4.3] fix duration of recurring availabilities'
     task availabilities_duration: :environment do
-      Availability.select(:occurrence_id).where(is_recurrent: true).group(:occurrence_id).each do |a|
+      Availability.select('occurrence_id').where(is_recurrent: true).group('occurrence_id').each do |a|
         occurrences = Availability.where(occurrence_id: a.occurrence_id)
         next unless occurrences.map(&:slot_duration).uniq.size > 1
 
@@ -231,7 +231,7 @@ namespace :fablab do
       statistic_profile_ids = StatisticProfilePrepaidPack.all.map(&:statistic_profile_id).uniq
       # find the reservations that use prepaid pack by machine_ids, members and preriod
       reservations = Reservation.where(reservable_type: 'Machine', reservable_id: machine_ids, statistic_profile_id: statistic_profile_ids,
-                                       created_at: start_date..end_date).order(statistic_profile_id: 'ASC', created_at: 'ASC')
+                                       created_at: start_date..end_date).order(statistic_profile_id: :asc, created_at: :asc)
       infos = []
       reservations.each do |reservation|
         # find pack by pack's created_at before reservation's create_at and pack's expries_at before start_date
@@ -243,7 +243,7 @@ namespace :fablab do
                 .where(statistic_profile_id: reservation.statistic_profile_id)
                 .where('statistic_profile_prepaid_packs.created_at <= ?', reservation.created_at)
                 .where('expires_at is NULL or expires_at > ?', start_date)
-                .order(created_at: 'ASC')
+                .order(created_at: :asc)
 
         # passe reservation if cannot find any pack
         next if packs.empty?
@@ -279,5 +279,15 @@ namespace :fablab do
         puts i
       end
     end
+
+    desc '[release 5.6.6] fix invoice items in error'
+    task invoice_items_in_error: :environment do
+      next if InvoiceItem.where(object_type: 'Error').count.zero?
+
+      InvoiceItem.where(object_type: 'Error').update_all(object_id: 0) # rubocop:disable Rails/SkipsModelValidations
+
+      Fablab::Application.load_tasks if Rake::Task.tasks.empty?
+      Rake::Task['fablab:chain:invoices_items'].invoke
+    end
   end
 end
diff --git a/lib/tasks/fablab/fix_invoice_items.rake b/lib/tasks/fablab/fix_invoice_items.rake
index f1ed9abce..914e11448 100644
--- a/lib/tasks/fablab/fix_invoice_items.rake
+++ b/lib/tasks/fablab/fix_invoice_items.rake
@@ -36,13 +36,13 @@ namespace :fablab do
         puts "Operator: #{invoice.operator_profile&.user&.profile&.full_name} (#{invoice.operator_profile&.user&.email})"
         puts "Date: #{invoice.created_at}"
         puts '=============================================='
-        puts "Concerned item: #{ii.id}"
+        puts "Concerned item: #{ii.id} (#{ii.object_type} #{ii.object_id})"
         puts "Item subject: #{ii.description}."
         other_items.find_each do |oii|
           puts '=============================================='
           puts "Other item: #{oii.description} (#{oii.id})"
           puts "Other item object: #{oii.object_type} #{oii.object_id}"
-          puts "Other item slots: #{oii.object.try(:slots)&.map { |s| "#{s.start_at} - #{s.end_at}" }}"
+          puts "Other item slots: #{oii.object.try(:slots)&.map { |s| "#{s.start_at} - #{s.end_at}" }}" if oii.object_type == 'Reservation'
           print "\e[1;34m[ ? ]\e[0m Associate the item with #{oii.object_type} #{oii.object_id} ? (y/N) > "
           confirm = $stdin.gets.chomp
           if confirm == 'y'