PHP Errors (FreePBX12 Freepbx13)

Hello

I was updated to new Freepbx recently and see many of messages like folowing

Non-static method PEAR::isError() should not be called statically in /usr/local/share/pear/Console/Getopt.php on line 108

during installation an running FreePBX
How to fix that? simne my FreePBX works starnge: f.e. saves SIPtrung settings into extension_addtiotional.conf and etc

Please advice
Thank you
Maxim

Fixed, by upgrading to FreePBX13 trhough GUI