Moodle - Fatal error: Cannot redeclare class condition_info

Suddenly my Moodle got error

Fatal error: Cannot redeclare class condition_info

After searching, the problem from OPCACHE in PHP.INI [ opcache.enable=1 ].

To solve the problem, just set
opcache.enable=0 

or in moodleroot --> config.php add
ini_set ('opcache.enable', 0);

After that restart Apache