How to fix MariaDB update error (Transaction check error)?

Question

MySQL

Throws a conflict error when updating. There is nothing on the Internet and it is not clear how to fix it. Hosting ihc.ru.
OS Centos 7 + ispmanager 5 64bit .
Help me please!
In file yum.repos.d/MariaDB.repo added:

# MariaDB 10.4 CentOS repository list - created 2019-10-12 11:18 UTC
# http://downloads.mariadb.org/mariadb/repositories/
[mariadb]
name = MariaDB
baseurl = http://yum.mariadb.org/10.4/centos7-amd64
gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB
gpgcheck=1

Full error code in ssh:

Loaded plugins: fastestmirror                                                                                                         
Loading mirror speeds from cached hostfile                                                                                            
 * base: mirror.docker.ru                                                                                                             
 * epel: ru.download.ispsystem.com                                                                                                    
 * extras: mirror.docker.ru                                                                                                           
 * ispsystem-5.217: ru.download.ispsystem.com                                                                                         
 * ispsystem-base: ru.download.ispsystem.com                                                                                          
 * remi: mirror.reconn.ru                                                                                                             
 * remi-php56: mirror.reconn.ru                                                                                                       
 * remi-safe: mirror.reconn.ru                                                                                                        
 * updates: mirror.docker.ru                                                                                                          
Resolving Dependencies                                                                                                                
--> Running transaction check                                                                                                         
---> Package MariaDB-client.x86_64 0:10.1.41-1.el7.centos will be updated                                                             
---> Package MariaDB-client.x86_64 0:10.4.8-1.el7.centos will be an update                                                            
---> Package MariaDB-server.x86_64 0:10.1.41-1.el7.centos will be updated                                                             
---> Package MariaDB-server.x86_64 0:10.4.8-1.el7.centos will be an update                                                            
--> Processing Dependency: galera-4 for package: MariaDB-server-10.4.8-1.el7.centos.x86_64                                            
--> Running transaction check                                                                                                         
---> Package galera-4.x86_64 0:26.4.2-1.rhel7.el7.centos will be installed                                                            
--> Finished Dependency Resolution                                                                                                    
                                                                                                                                      
Dependencies Resolved                                                                                                                 
                                                                                                                                      
======================================================================================================================================
 Package                         Arch                    Version                                       Repository                Size 
======================================================================================================================================
Updating:                                                                                                                             
 MariaDB-client                  x86_64                  10.4.8-1.el7.centos                           mariadb                   12 M
 MariaDB-server                  x86_64                  10.4.8-1.el7.centos                           mariadb                   26 M
Installing for dependencies:                                                                                                          
 galera-4                        x86_64                  26.4.2-1.rhel7.el7.centos                     mariadb                  9.4 M
                                                                                                                                      
Transaction Summary                                                                                                                   
======================================================================================================================================
Install             ( 1 Dependent package)                                                                                            
Upgrade  2 Packages                                                                                                                   
                                                                                                                                      
Total size: 47 M                                                                                                                      
Is this ok [y/d/N]: y                                                                                                                 
Is this ok [y/d/N]: y                                                                                                                 
Downloading packages:                                                                                                                 
Running transaction check                                                                                                             
Running transaction test                                                                                                              
                                                                                                                                      
                                                                                                                                      
Transaction check error:                                                                                                              
  file /usr/bin/garbd from install of galera-4-26.4.2-1.rhel7.el7.centos.x86_64 conflicts with file from package galera-25.3.26-1.rhel
7.el7.centos.x86_64                                                                                                                   
                                                                                                                                      
Error Summary                                                                                                                         
-------------

Answer 1

They wrote to you.
file /usr/bin/garbd from install of galera-4-26.4.2-1.rhel7.el7.centos.x86_64 conflicts with file from package galera-
25.3.26-1.rhel7.el7.centos.x86_64 a more recent version of galera than required by the packages you install. Either lower the version, or remove galera, then the dependencies will be pulled up