pkg: error processing archive /var/cache/apt/archives/libmysqlclient18_10.0.12+maria-1~sid_amd64.deb (--unpack): libmysqlclient18:amd64 10.0.12+maria-1~sid (Multi-Arch: no) is not co-installable with libmysqlclient18 which has multiple installed instances Errors were encountered while processing: /var/cache/apt/archives/libmysqlclient18_10.0.12+maria-1~sid_amd64.deb E: Sub-process /usr/bin/dpkg returned an error code (1)