500 Internal Server Error in cPanel "Mysql databases" page

[lukapaunovic]

I get this error when I try to acces to /frontend/x3/sql/index.html

Internal Server Error

500

No response from subprocess ( (cpanel)) with exit signal: 0

cpsrvd/11.36.0.20 Server at server.server.com

Some times it can access sometimes I get error, every 10 seconds error...

This is error log:

Internal Server Error: "GET /cpsess1511543658/frontend/x3/sql/index.html HTTP/1.1" 500 No response from subprocess ( (cpanel)) with exit signal: 0
[2013-03-30 22:07:32 +0100] warn [get_cjt_url::get_cjt_url] Encountered error in get_cjt_url::get_cjt_url: get_cjt_url:: failed: Can't locate Cpanel/CPAN/Locales/DB/Language/zza.pm in @INC (@INC contains: /usr/local/cpanel/perl/_diet /usr/local/cpanel /usr/local/cpanel/perl /usr/local/cpanel/Cpanel/CPAN/overload/__Digest /usr/local/cpanel/Cpanel/CPAN/overload/__Time /usr/local/cpanel/build-tools/stubs /usr/local/cpanel/perl/C220 /usr/local/cpanel/perl/5.6.2/x86_64-linux /usr/local/cpanel/perl/5.6.2/x86_64-linux /usr/local/cpanel/perl/5.6.2 /usr/local/cpanel/perl/site_perl/5.6.2/x86_64-linux /usr/local/cpanel/perl/site_perl/5.6.2/x86_64-linux /usr/local/cpanel/perl/site_perl/5.6.2 /usr/local/cpanel/perl/site_perl/5.6.2/x86_64-linux /usr/local/cpanel/perl/site_perl/5.6.2 /usr/local/cpanel/perl/site_perl . /usr/local/cpanel/perl/5.6.2/x86_64-linux /usr/local/cpanel/perl/5.6.2 /usr/local/cpanel/perl/site_perl/5.6.2/x86_64-linux /usr/local/cpanel/perl/site_perl/5.6.2 /usr/local/cpanel/perl/site_perl .) at (eval 2511) line 3.

I tried

/scripts/upcp --force

I tried to restart cpanel, mysql, apache...
Nothing...
This error has shown when I was adding user to database...

 

[Infopro]

Not sure if this will be helpful or not, but on this page:
Home » Locales » View Available Locales

..at bottom is a link:

If a locale seems to be missing you may need to rebuild the locale databases in order to bring it into the system.

What Locale are you using for this account?