E: Encountered a section with no Package: header
E: Problem with MergeList /var/lib/apt/lists/ftp.fu-berlin.de_linux_ubuntu_dists_xenial_main_binary-amd64_Packages
E: The package lists or status file could not be parsed or opened.
[ ERR] Reading package lists
E: Encountered a section with no Package: header
E: Problem with MergeList /var/lib/apt/lists/ftp.fu-berlin.de_linux_ubuntu_dists_xenial_main_binary-amd64_Packages
E: The package lists or status file could not be parsed or opened.