I am relatively new to Ubuntu. Can someone help me to understand the problem?
sudo apt-get install subversion
returned the following output:
Reading package lists... Error!
E: Encountered a section with no Package: header
E: Problem with MergeList /var/lib/apt/lists
/ci.archive.ubuntu.com_ubuntu_dists_xenial_main_binary-amd64_Packages
E: The package lists or status file could not be parsed or opened.