--- basicSpecieMixture.C.orig	2022-01-07 07:08:10.823870942 +0100
+++ basicSpecieMixture.C	2022-01-07 06:48:12.206280443 +0100
@@ -200,7 +200,7 @@
             Yt += Y_[i];
         }
 
-        if (mag(max(Yt).value()) < rootVSmall)
+        if (mag(min(Yt).value()) < rootVSmall)
         {
             FatalErrorInFunction
                 << "Sum of mass fractions is zero for species " << species()