Author: Darko Miletic
MDL-30777: Properly implemented error message
http://git.moodle.org/gw?p=moodle.git;a=commit;h=75c95c8b027bc70ddb139a018e30a46b16e142c5
http://github.com/moodle/moodle/commit/75c95c8b027bc70ddb139a018e30a46b16e142c5
+ 2.3 en [protected_cc_not_supported,core_error]