Hello,This is fixed with mergingOn 17 Apr 2024, at 18:36, Noury Bouraqadi <bouraqadi@gmail.com> wrote:Hi,Why is the handling of empty trait compositions is different for class side?Suppose we have trait T used by class A.Consider B a subclass of A.B traitComposition ---> TaEmptyTraitComposition "Same for P11 and P12"B class trait "Difference !!!"---> TaEmptyTraitComposition "in P11"---> TaSequence {TaEmptyTraitComposition. TraitedClass} "in P12"NouryNoury