Had this problem with apt-mirror on Xenial with Focal clients. Using apt-mirror 0.5.4-1ubuntu0.18.04.1+testpkg20200428b2 from ppa:slashd/test solved the problem for me. Thanks for the work on this.
Had this problem with apt-mirror on Xenial with Focal clients. Using apt-mirror 0.5.4-1ubuntu0. 18.04.1+ testpkg20200428 b2 from ppa:slashd/test solved the problem for me. Thanks for the work on this.