Correct your script as shown below:
origine:
LOAD *, (Tempsfin + tempsdebut + jourtravail) as durée_travail ;
LOAD recno() as "Record ID",
categorie,
id as N_mantis,
1 as compteur,
version,
severite,
date_changement ,
Year(date_changement ) as Année,
Month(date_changement ) as Mois,
Week (date_changement ) as Semaine,
Day (date_changement ) as Jour,
Hour (date_changement ) as theures,
Minute (date_changement ) as minutes,
Hour (date_changement )as heure,
if ( NetWorkDays(date_changement,date_changement,$(vHolidayList) ) >=1, if ( Hour (date_changement ) + ((Minute (date_changement )/60))<8.5,1,
if ( Hour (date_changement ) + ((Minute (date_changement )/60))>= 18.5,0, ((18.5 - (Hour (date_changement ) + ((Minute (date_changement )/60))))/10)) ),0) as tempsdebut,
WeekDay (date_changement ) as JourSemaine,
date(monthstart(date_changement), 'MMM-YYYY') AS MoisAnnée,
date(Daystart(date_changement), 'DD-MMM-YYYY') as AnnéeMoisJour,
dual(week(date_changement)&'-'&WeekYear(date_changement), WeekStart(date_changement)) as SemaineAnnée,
if(Prioritaire='Basse', dual('1-Basse', 1),
if(Prioritaire ='Normale', dual('2-Normale', 2),
if(Prioritaire ='Elevée', dual('3-Elevée', 3)
)
)
) as Prioritaire,
[Etat en cours],
Date_fin,
if (NetWorkDays(Date_fin,Date_fin,$(vHolidayList) ) >=1, if ( Hour (Date_fin ) + ((Minute (Date_fin )/60))<8.5,0,
if (Hour (Date_fin ) + ((Minute (Date_fin )/60))>= 18.5,1, ((((Hour (Date_fin ) + (Minute (Date_fin )/60))-8.5)) /10))),0) as Tempsfin,
NetWorkDays(date_changement,Date_fin,$(vHolidayList)) as jourtravail,
sum (Tempsfin + tempsdebut + jourtravail) as durée_travail,
Statut
FROM
(ooxml, embedded labels, table is Données);
