Can't uninstall rpm package. - Mailing list pgsql-admin

[root@ZetaSearch01 ~]# rpm -qa | grep postg
postgresql93-server-9.3.6-1PGDG.rhel5
[root@ZetaSearch01 ~]# yum remove postgresql93-server-9.3.6-1PGDG.rhel5
Loaded plugins: rhnplugin, security
Setting up Remove Process
Resolving Dependencies
--> Running transaction check
---> Package postgresql93-server.x86_64 0:9.3.6-1PGDG.rhel5 set to be erased
--> Finished Dependency Resolution

Dependencies Resolved

========================================================================================================================================================================
 Package                                       Arch                             Version                                       Repository                           Size
========================================================================================================================================================================
Removing:
 postgresql93-server                           x86_64                           9.3.6-1PGDG.rhel5                             installed                            15 M

Transaction Summary
========================================================================================================================================================================
Install      0 Package(s)
Update       0 Package(s)
Remove       1 Package(s)

Is this ok [y/N]: y
Downloading Packages:
Running rpm_check_debug
Running Transaction Test
Finished Transaction Test
Transaction Test Succeeded
Running Transaction
error reading information on service postgresql-9.3: No such file or directory

Removed: postgresql93-server.x86_64 0:9.3.6-1PGDG.rhel5
Complete!
[root@ZetaSearch01 ~]# rpm -qa | grep postg
postgresql93-server-9.3.6-1PGDG.rhel5
[root@ZetaSearch01 ~]#


===============================================

How to solve this error?

Any help would be appreciated as I am totally novice to postgres and it is my first time, I am trying to do something on postgres.