[Pharo-project] Trait conflicts wtf?

Trait named: #TA uses: {} category: 'ABC' Trait named: #TB uses: {} category: 'ABC' TA>>a ^10 TB>>a ^10 Object subclass: #A uses: TA + TB instanceVariableNames: '' classVariableNames: '' poolDictionaries: '' category: 'ABC' ==> A>>a ^self traitConflict ? Why not an exception from a conflictive composition? This is to Mariano me a silent failure :/ Guille