-error_inh_clash4.nit:15,7: Error: Incompatibles ancestors for A: Sequence[A#1], Sequence[A#0]
-error_inh_clash4.nit:15,7: Error: Incompatibles ancestors for A: SequenceRead[A#1], SequenceRead[A#0]
+error_inh_clash4.nit:15,7: Error: incompatible ancestors for `A`; conflict: `Sequence[F]` and `Sequence[E]`
+error_inh_clash4.nit:15,7: Error: incompatible ancestors for `A`; conflict: `SequenceRead[F]` and `SequenceRead[E]`