=IFERROR(VLOOKUP(B2,PROJ!$B$2:$I$192,8,FALSE),0)+IFERROR(VLOOKUP(C2,PROJ!$B$2:$I$192,8,FALSE),0)+IFERROR(VLOOKUP(D2,PROJ!$B$2:$I$192,8,FALSE),0)+IFERROR(VLOOKUP(E2,PROJ!$B$2:$I$192,8,FALSE),0)+IFERROR(VLOOKUP(F2,PROJ!$B$2:$I$192,8,FALSE),0)+IFERROR(VLOOKUP(G2,PROJ
Solved by S. Q. in 14 mins