Fatal error: Cannot declare class CMain, because the name is already in use in /home/c/ci30398/gtk/public_html/bitrix/modules/main/classes/mysql/main.php on line 11

[ErrorException] E_COMPILE_ERROR
Cannot declare class CMain, because the name is already in use (0)
/home/c/ci30398/gtk/public_html/bitrix/modules/main/classes/mysql/main.php:11
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