> sqlalchemy.exc.ProgrammingError: (psycopg2.ProgrammingError) constraint "packages_copr_pkgname" of relation "package" does not exist
Please upgrade to the latest sources (or downgrade to the latest stable release
copr-frontend-1.103-1 :)) and setup your db from scratch (dropdb coprdb; createdb coprdb; ./manage.py create_db --alembic alembic.ini) and then run alembic downgrade ... and alembic upgrade head.