Version 2.4.1-3 of libbpp-seq-omics is marked for autoremoval from testing on Thu 19 Sep 2019. It is affected by #925737. The removal of libbpp-seq-omics will also cause the removal of (transitive) reverse dependencies: libbpp-phyl-omics, maffilter. It depends (transitively) on libbpp-core, libbpp-seq, affected by #925731, #925736.
You should try to prevent the removal by fixing these RC bugs.