' could not be loaded

Has anybody had this error before , while trying to load

[Mar 5 00:01:35] WARNING[6036]: loader.c:522 load_dynamic_module: Error loading module ‘’: /usr/lib/asterisk/modules/ undefined symbol: sip_tech

I tried to Updates the necessary links with ldconfig, but it doesn’t work.

Additional Info.

CentOS release 6.6

Asterisk 13.1-cert1

After download the current LTS of Asterisk and recompile asterisk agin the problem was solved. It seems this issue is with the Asterisk 13.1-cert1 version on my system. I will take some time later to find out.