Error when I try update mariadb - "conflicts between attempted installs"

Transaction check error:

  file /etc/init.d/mysql conflicts between attempted installs of MariaDB-server-5.5.56-1.el7.centos.                                                                     x86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /etc/my.cnf.d/server.cnf conflicts between attempted installs of MariaDB-server-5.5.56-1.el7.                                                                     centos.x86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/bin/aria_chk conflicts between attempted installs of MariaDB-server-5.5.56-1.el7.centos.                                                                     x86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/bin/aria_dump_log conflicts between attempted installs of MariaDB-server-5.5.56-1.el7.ce                                                                     ntos.x86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/bin/aria_ftdump conflicts between attempted installs of MariaDB-server-5.5.56-1.el7.cent                                                                     os.x86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/bin/aria_pack conflicts between attempted installs of MariaDB-server-5.5.56-1.el7.centos                                                                     .x86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/bin/aria_read_log conflicts between attempted installs of MariaDB-server-5.5.56-1.el7.ce                                                                     ntos.x86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/bin/my_print_defaults conflicts between attempted installs of MariaDB-server-5.5.56-1.el                                                                     7.centos.x86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/bin/myisam_ftdump conflicts between attempted installs of MariaDB-server-5.5.56-1.el7.ce                                                                     ntos.x86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/bin/myisamchk conflicts between attempted installs of MariaDB-server-5.5.56-1.el7.centos                                                                     .x86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/bin/myisamlog conflicts between attempted installs of MariaDB-server-5.5.56-1.el7.centos                                                                     .x86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/bin/myisampack conflicts between attempted installs of MariaDB-server-5.5.56-1.el7.cento                                                                     s.x86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/bin/mysql_tzinfo_to_sql conflicts between attempted installs of MariaDB-server-5.5.56-1.                                                                     el7.centos.x86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/bin/mysql_upgrade conflicts between attempted installs of MariaDB-server-5.5.56-1.el7.ce                                                                     ntos.x86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/bin/mysqlbug conflicts between attempted installs of MariaDB-server-5.5.56-1.el7.centos.                                                                     x86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/bin/mysqld_multi conflicts between attempted installs of MariaDB-server-5.5.56-1.el7.cen                                                                     tos.x86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/bin/mysqld_safe conflicts between attempted installs of MariaDB-server-5.5.56-1.el7.cent                                                                     os.x86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/bin/mysqld_safe_helper conflicts between attempted installs of MariaDB-server-5.5.56-1.e                                                                     l7.centos.x86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/bin/perror conflicts between attempted installs of MariaDB-server-5.5.56-1.el7.centos.x8                                                                     6_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/bin/replace conflicts between attempted installs of MariaDB-server-5.5.56-1.el7.centos.x                                                                     86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/bin/resolve_stack_dump conflicts between attempted installs of MariaDB-server-5.5.56-1.e                                                                     l7.centos.x86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/bin/resolveip conflicts between attempted installs of MariaDB-server-5.5.56-1.el7.centos                                                                     .x86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/bin/tokuft_logprint conflicts between attempted installs of MariaDB-server-5.5.56-1.el7.                                                                     centos.x86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/bin/tokuftdump conflicts between attempted installs of MariaDB-server-5.5.56-1.el7.cento                                                                     s.x86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/lib64/mysql/plugin/auth_pam.so conflicts between attempted installs of MariaDB-server-5.                                                                     5.56-1.el7.centos.x86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/lib64/mysql/plugin/auth_socket.so conflicts between attempted installs of MariaDB-server                                                                     -5.5.56-1.el7.centos.x86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/lib64/mysql/plugin/ha_innodb.so conflicts between attempted installs of MariaDB-server-5                                                                     .5.56-1.el7.centos.x86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/lib64/mysql/plugin/ha_oqgraph.so conflicts between attempted installs of MariaDB-server-                                                                     5.5.56-1.el7.centos.x86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/lib64/mysql/plugin/ha_sphinx.so conflicts between attempted installs of MariaDB-server-5                                                                     .5.56-1.el7.centos.x86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/lib64/mysql/plugin/ha_tokudb.so conflicts between attempted installs of MariaDB-server-5                                                                     .5.56-1.el7.centos.x86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/lib64/mysql/plugin/handlersocket.so conflicts between attempted installs of MariaDB-serv                                                                     er-5.5.56-1.el7.centos.x86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/lib64/mysql/plugin/query_cache_info.so conflicts between attempted installs of MariaDB-s                                                                     erver-5.5.56-1.el7.centos.x86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/lib64/mysql/plugin/semisync_master.so conflicts between attempted installs of MariaDB-se                                                                     rver-5.5.56-1.el7.centos.x86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/lib64/mysql/plugin/semisync_slave.so conflicts between attempted installs of MariaDB-ser                                                                     ver-5.5.56-1.el7.centos.x86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/lib64/mysql/plugin/server_audit.so conflicts between attempted installs of MariaDB-serve                                                                     r-5.5.56-1.el7.centos.x86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/lib64/mysql/plugin/sphinx.so conflicts between attempted installs of MariaDB-server-5.5.                                                                     56-1.el7.centos.x86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/lib64/mysql/plugin/sql_errlog.so conflicts between attempted installs of MariaDB-server-                                                                     5.5.56-1.el7.centos.x86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/sbin/mysqld conflicts between attempted installs of MariaDB-server-5.5.56-1.el7.centos.x                                                                     86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

  file /usr/share/mysql/mysql.server conflicts between attempted installs of MariaDB-server-5.5.56-1                                                                     .el7.centos.x86_64 and MariaDB-Galera-server-5.5.56-1.el7.centos.x86_64

Error Summary

-------------

[root@localhost ~]# systemctl restart httpd

[root@localhost ~]# mysql -V

mysql  Ver 15.1 Distrib 5.5.52-MariaDB, for Linux (x86_64) using readline 5.1

[root@localhost ~]#