All the ranges in Sumifs must be the same dimensions.
So you can't sum a multi-column range based on single-column criteria ranges.


Try
=SUMIFS(INDEX($E$2:$T$13,0,MATCH($B$19,$E$1:$T$1,0)),$A$2:$A$13,B23,$B$2:$B$13,$B$17,$C$2:$C$13,$B$18,$D$2:$D$13,$B$20)