Package: libghc-aeson-dev Version: 2.0.3.0-1+b4 Severity: serious Hi, libghc-aeson-dev on amd64c depends on libghc-semialign-dev-1.2.0.1-ebc3a which does not exist in the archive. The situation is the same on other arches with a different hash of libghc-semialign-dev-1.2.0.1. -Ralf.