Php 7

Здравствуйте! Возникла проблемка при переходе с 5.6 на 7
Посыпались ошибки:
[Tue Mar 29 00:32:43.999460 2016] [cgi:error] [pid 18347] [client 2.94.189.63:38941] AH01215: PHP Fatal error:  Cannot use 'String' as class name as it is reserved in /var/www/-----/data/www/-----/core/rs/orm/type/string.inc.php on line 14