Erreur Exécution VB

=SI(NB.SI(INDIRECT(Nom&"!O2:O8");JOURSEM(AJ7));"Repos";SI(OU(MOIS(DATE(An;ENT(COLONNES($A:AL)/3)+
$E$2-1;LIGNES($1:1)))=ENT(COLONNES($A:AL)/3)+$E$2-1;MOIS(DATE(An;ENT(COLONNES($A:AL)/3)+$E$2-1;LIGNES($1:1)))=(ENT(COLONNES($A:AL)/3)+$E$2-1)-12);SI(MOD(COLONNES($A:AJ);3)=1;DATE(An;ENT(COLONNES($A:AL)/3)+$E$2-1;LIGNES($1:1));SI(MOD(COLONNES($A:AJ);3)=2;SI(NB.SI(TabFer;DATE(An;ENT(COLONNES($A:AL)/3)+$E$2-1;LIGNES($1:1)));RECHERCHEV(DATE(An;ENT(COLONNES($A:AL)/3)+$E$2-1;LIGNES($1:1));TabFer;2;0);DECALER(ref_fête;EQUIV(MOIS(AK7);fête;0)+JOUR(AK7);));
SI(MOD(COLONNES($A:AJ);3)=0;SI(NB.SI(INDIRECT(Nom&"!$A$2:$e$400");AJ7);INDEX(INDIRECT(Nom&"!A1:e1");;
MIN(SI((INDIRECT(Nom&"!$A$2:$e$400")=AJ7)*(INDIRECT(Nom&"!$A$2:$e$400")<>"");COLONNE(INDIRECT(Nom&"!$A$2:$e$400")))));SI(NB.SI(INDIRECT(Nom&"!O2:O8");JOURSEM(AJ7));"Repos";
SI(NB.SI(INDIRECT(Nom&"!M2:M8");JOURSEM(AJ7));"½ Repos";SI(NB.SI(INDIRECT(Nom&"!$f$2:$J$400");AJ7);INDEX(INDIRECT(Nom&"!f1:J1");;
MIN(SI((INDIRECT(Nom&"!$f$2:$J$400")=AJ7)*(INDIRECT(Nom&"!$f$2:$J$400")<>"");COLONNE(INDIRECT(Nom&"!$f$2:$J$400"))))-5);""))));"")));""))