diff --git a/config/locales/app.admin.de.yml b/config/locales/app.admin.de.yml
index 307b32bb9..12e4adcaf 100644
--- a/config/locales/app.admin.de.yml
+++ b/config/locales/app.admin.de.yml
@@ -598,6 +598,10 @@ de:
         general_space_code: "Abrechnungscode für alle Räume"
         accounting_Space_label: "Raumbezeichnung"
         general_space_label: "Abrechnungs-Label für alle Räume"
+        accounting_Error_code: "Errors code"
+        general_error_code: "Accounting code for erroneous invoices"
+        accounting_Error_label: "Errors label"
+        general_error_label: "Account label for erroneous invoices"
         codes_customization_success: "Anpassung der Abrechnungscodes erfolgreich gespeichert."
         unexpected_error_occurred: "Beim Speichern der Codes ist ein unerwarteter Fehler aufgetreten. Bitte versuchen Sie es später erneut."
         export_accounting_data: "Abrechnungsdaten exportieren"
diff --git a/config/locales/app.admin.es.yml b/config/locales/app.admin.es.yml
index 8ba475d7c..be60a2742 100644
--- a/config/locales/app.admin.es.yml
+++ b/config/locales/app.admin.es.yml
@@ -598,6 +598,10 @@ es:
         general_space_code: "Accounting code for all spaces"
         accounting_Space_label: "Spaces label"
         general_space_label: "Account label for all spaces"
+        accounting_Error_code: "Errors code"
+        general_error_code: "Accounting code for erroneous invoices"
+        accounting_Error_label: "Errors label"
+        general_error_label: "Account label for erroneous invoices"
         codes_customization_success: "Customization of accounting codes successfully saved."
         unexpected_error_occurred: "An unexpected error occurred while saving the codes. Please try again later."
         export_accounting_data: "Export accounting data"
@@ -1088,7 +1092,7 @@ es:
         error_SETTING_locked: "Unable to update the setting: {SETTING} is locked. Please contact your system administrator."
         an_error_occurred_saving_the_setting: "An error occurred while saving the setting. Please try again later."
         book_overlapping_slots_info: "Allow / prevent the reservation of overlapping slots"
-        prevent_booking: "Prevent booking"
+        prevent_booking: "Impedir reservas"
         default_slot_duration: "Default duration for slots"
         duration_minutes: "Duration (in minutes)"
         default_slot_duration_info: "Machine and space availabilities are divided in multiple slots of this duration. This value can be overridden per availability."
diff --git a/config/locales/app.admin.pt.yml b/config/locales/app.admin.pt.yml
index a0e3aace3..a183ed5dc 100755
--- a/config/locales/app.admin.pt.yml
+++ b/config/locales/app.admin.pt.yml
@@ -598,6 +598,10 @@ pt:
         general_space_code: "Código de contabilidade para todos os espaços"
         accounting_Space_label: "Rótulo de espaços"
         general_space_label: "Rótulo de conta para todos os espaços"
+        accounting_Error_code: "Errors code"
+        general_error_code: "Accounting code for erroneous invoices"
+        accounting_Error_label: "Errors label"
+        general_error_label: "Account label for erroneous invoices"
         codes_customization_success: "Customization of accounting codes successfully saved."
         unexpected_error_occurred: "Ocorreu um erro inesperado ao salvar os códigos. Tente novamente mais tarde."
         export_accounting_data: "Exportar dados de contabilidade"
@@ -1088,7 +1092,7 @@ pt:
         error_SETTING_locked: "Não foi possível atualizar a configuração: {SETTING} está bloqueado. Por favor contate o administrador do sistema."
         an_error_occurred_saving_the_setting: "Ocorreu um erro ao salvar a configuração. Por favor, tente novamente mais tarde."
         book_overlapping_slots_info: "Permitir / impedir a reserva de slots sobrepostos"
-        prevent_booking: "Permitir reserva"
+        prevent_booking: "Prevent booking"
         default_slot_duration: "Duração padrão para slots"
         duration_minutes: "Duração (em minutos)"
         default_slot_duration_info: "Máquina e espaço disponíveis são divididos em vários slots desta duração. Esse valor pode ser substituído por disponibilidade."
diff --git a/config/locales/app.admin.zu.yml b/config/locales/app.admin.zu.yml
index 8285aa78f..15549b683 100644
--- a/config/locales/app.admin.zu.yml
+++ b/config/locales/app.admin.zu.yml
@@ -598,6 +598,10 @@ zu:
         general_space_code: "crwdns7677:0crwdne7677:0"
         accounting_Space_label: "crwdns7679:0crwdne7679:0"
         general_space_label: "crwdns7681:0crwdne7681:0"
+        accounting_Error_code: "crwdns21470:0crwdne21470:0"
+        general_error_code: "crwdns21472:0crwdne21472:0"
+        accounting_Error_label: "crwdns21474:0crwdne21474:0"
+        general_error_label: "crwdns21476:0crwdne21476:0"
         codes_customization_success: "crwdns7683:0crwdne7683:0"
         unexpected_error_occurred: "crwdns20578:0crwdne20578:0"
         export_accounting_data: "crwdns7685:0crwdne7685:0"
@@ -1088,7 +1092,7 @@ zu:
         error_SETTING_locked: "crwdns20640:0{SETTING}crwdne20640:0"
         an_error_occurred_saving_the_setting: "crwdns20380:0crwdne20380:0"
         book_overlapping_slots_info: "crwdns20642:0crwdne20642:0"
-        prevent_booking: "crwdns20644:0crwdne20644:0"
+        prevent_booking: "crwdns21478:0crwdne21478:0"
         default_slot_duration: "crwdns20646:0crwdne20646:0"
         duration_minutes: "crwdns20648:0crwdne20648:0"
         default_slot_duration_info: "crwdns20650:0crwdne20650:0"
diff --git a/config/locales/de.yml b/config/locales/de.yml
index e987adaff..2a95ca2cf 100644
--- a/config/locales/de.yml
+++ b/config/locales/de.yml
@@ -88,7 +88,6 @@ de:
     other_rate_ticket:
       one: "Ein %{NAME}-Ticket"
       other: "%{count} %{NAME}-Tickets"
-    reservation_other: "Reservierung (andere)"
     coupon_CODE_discount_of_DISCOUNT: "Gutschein {CODE}: Rabatt von {DISCOUNT}{TYPE, select, percent_off{%} other{}}" #messageFormat interpolation
     total_including_all_taxes: "Gesamtpreis inkl. Steuern"
     including_VAT_RATE: "Inklusive MwSt. %{RATE}%"
@@ -113,6 +112,7 @@ de:
     subscription_of_NAME_extended_starting_from_STARTDATE_until_ENDDATE: "Abonnement von %{NAME} verlängert (kostenlose Tage) ab %{STARTDATE} bis %{ENDDATE}"
     and: 'und'
     invoice_text_example: "Unsere Einrichtung ist nicht mehrwertsteuerpflichtig"
+    error_invoice: "Erroneous invoice. The items below ware not booked. Please contact the FabLab for a refund."
   #PDF payment schedule generation
   payment_schedules:
     schedule_reference: "Payment schedule reference: %{REF}"
diff --git a/config/locales/es.yml b/config/locales/es.yml
index 9ed33e4a2..639d7c6e2 100644
--- a/config/locales/es.yml
+++ b/config/locales/es.yml
@@ -88,7 +88,6 @@ es:
     other_rate_ticket:
       one: "Un %{NAME} entrada"
       other: "%{count} %{NAME} entradas"
-    reservation_other: "Reserva (other)"
     coupon_CODE_discount_of_DISCOUNT: "Cupón {CODE}: descuento de {DISCOUNT}{TYPE, select, percent_off{%} other{}}" #messageFormat interpolation
     total_including_all_taxes: "Total impuestos incluidos"
     including_VAT_RATE: "Incluyendo IVA %{RATE}%"
@@ -113,6 +112,7 @@ es:
     subscription_of_NAME_extended_starting_from_STARTDATE_until_ENDDATE: "Subscripción de %{NAME} extendida (días gratuitos) empezando desde %{STARTDATE} hasta %{ENDDATE}"
     and: 'y'
     invoice_text_example: "Nuestra asociación no está sujeta al IVA"
+    error_invoice: "Erroneous invoice. The items below ware not booked. Please contact the FabLab for a refund."
   #PDF payment schedule generation
   payment_schedules:
     schedule_reference: "Payment schedule reference: %{REF}"
diff --git a/config/locales/pt.yml b/config/locales/pt.yml
index 95bcd4bc3..d121f85ca 100755
--- a/config/locales/pt.yml
+++ b/config/locales/pt.yml
@@ -88,7 +88,6 @@ pt:
     other_rate_ticket:
       one: "Um %{NAME} ticket"
       other: "%{count} %{NAME} tickets"
-    reservation_other: "Reserva (outro)"
     coupon_CODE_discount_of_DISCOUNT: "Cupom {CODE}: desconto de {DISCOUNT}{TYPE, select, percent_off{%} other{}}" #messageFormat interpolation
     total_including_all_taxes: "Total de taxas inclusas"
     including_VAT_RATE: "Incluindo VAT %{RATE}%"
@@ -113,6 +112,7 @@ pt:
     subscription_of_NAME_extended_starting_from_STARTDATE_until_ENDDATE: "Assinatura de %{NAME} estendida (dias livres) a partir de% STARTDATE até %{ENDDATE}"
     and: 'e'
     invoice_text_example: "Nossa associação não está sujeita a IVA"
+    error_invoice: "Erroneous invoice. The items below ware not booked. Please contact the FabLab for a refund."
   #PDF payment schedule generation
   payment_schedules:
     schedule_reference: "Payment schedule reference: %{REF}"
diff --git a/config/locales/zu.yml b/config/locales/zu.yml
index 6a93d7130..8dc807d45 100644
--- a/config/locales/zu.yml
+++ b/config/locales/zu.yml
@@ -88,7 +88,6 @@ zu:
     other_rate_ticket:
       one: "crwdns3327:1%{NAME}crwdne3327:1"
       other: "crwdns3327:5%{count}crwdnd3327:5%{NAME}crwdne3327:5"
-    reservation_other: "crwdns3329:0crwdne3329:0"
     coupon_CODE_discount_of_DISCOUNT: "crwdns3331:0CODE={CODE}crwdnd3331:0DISCOUNT={DISCOUNT}crwdnd3331:0TYPE={TYPE}crwdne3331:0" #messageFormat interpolation
     total_including_all_taxes: "crwdns3333:0crwdne3333:0"
     including_VAT_RATE: "crwdns3335:0%{RATE}crwdne3335:0"
@@ -113,6 +112,7 @@ zu:
     subscription_of_NAME_extended_starting_from_STARTDATE_until_ENDDATE: "crwdns3373:0%{NAME}crwdnd3373:0%{STARTDATE}crwdnd3373:0%{ENDDATE}crwdne3373:0"
     and: 'crwdns3375:0crwdne3375:0'
     invoice_text_example: "crwdns20848:0crwdne20848:0"
+    error_invoice: "crwdns21480:0crwdne21480:0"
   #PDF payment schedule generation
   payment_schedules:
     schedule_reference: "crwdns21094:0%{REF}crwdne21094:0"