`GLIBCXX_3.4.21' not found
 

i got this error, how fix this?
my vps using centos 7.1 64 bit with LinuxGSM
i already install :
yum install mailx postfix curl wget bzip2 gzip unzip python binutils bc tmux glibc.i686 libstdc++ libstdc++.i686

L 07/11/2018 - 07:05:29: [META] Failed to load plugin addons/sourcemod/bin/sourcemod_mm: /lib/libstdc++.so.6: version `GLIBCXX_3.4.21' not found (required by /home/csgoserver/serverfiles/csgo/addons/sourcemod/bin/sourcemod.2.csgo.so)

Re: `GLIBCXX_3.4.21' not found
 

https://unix.stackexchange.com/a/290021

this fixes your problem. BUT if you don't know what you are doing it may damage your server some days later.

Re: `GLIBCXX_3.4.21' not found
 

That will not help them at all.

Re: `GLIBCXX_3.4.21' not found
 

Yip. Just changes the error message to

But hey! Atleast sourcemod loads... I guess

I'm out of ideas now.

Re: `GLIBCXX_3.4.21' not found
 

UPDATE:

Downgrade to Build#6241 and you are fine (for the moment)

Re: `GLIBCXX_3.4.21' not found
 

nah when i use sourcemod Build #6241 everything went smoothly

Re: `GLIBCXX_3.4.21' not found
 

Can confirm this for build 6244, seems like someone linked dynamic instead of static?

Re: `GLIBCXX_3.4.21' not found
 

The build slave was just updated to a newer Debian version, which introduce a higher GLIBC requirement.

We've since reverted the change, so future builds should not have this issue.

We may introduce new requirements in the future, but not necessarily as high, and with warning first.

Re: `GLIBCXX_3.4.21' not found
 

fixed with #6245