A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data
Thank you. The first range in the INDEX part should be Backup!$S$2:$S$1000 to correspond to the ranges in the MATCH part.
=IFERROR(VLOOKUP(B2&H2,Backup!$A:$D,4,FALSE)&"-"&VLOOKUP($C2,Backup!$F:$G,2,FALSE)&"-"&INDEX(Backup!$S$2:$S$1000,MATCH(1,(F2=Backup!$P$2:$P$1000)*(E2=Backup!$Q$2:$Q$1000)*(G2=Backup!$R$2:$R$1000),0))&"-T13-I002","")