Fatal error: Cannot use 'String' as class name as it is reserved in /home/roseba/public_html/lib/Cake/Utility/String.php on line 27

Fatal error: Uncaught Error: Class 'String' not found in /home/roseba/public_html/lib/Cake/Utility/Debugger.php:342 Stack trace: #0 /home/roseba/public_html/lib/Cake/Utility/Debugger.php(747): Debugger::trace(Array) #1 /home/roseba/public_html/lib/Cake/Error/ErrorHandler.php(200): Debugger->outputError(Array) #2 [internal function]: ErrorHandler::handleError(512, '_cake_core_ cac...', '/home/roseba/pu...', 309, Array) #3 /home/roseba/public_html/lib/Cake/Cache/Cache.php(309): trigger_error('_cake_core_ cac...', 512) #4 /home/roseba/public_html/lib/Cake/I18n/I18n.php(174): Cache::write('cake_dev_en-us', Array, '_cake_core_') #5 /home/roseba/public_html/lib/Cake/basics.php(616): I18n::translate('%s cache was un...', NULL, 'cake_dev') #6 /home/roseba/public_html/lib/Cake/Cache/Cache.php(307): __d('cake_dev', '%s cache was un...', '_cake_core_', 'file_map', 'File') #7 /home/roseba/public_html/lib/Cake/Core/App.php(894): Cache::write('file_map', Array, '_cake_core_') #8 [internal function]: App::shutdown() #9 {main} thrown in /home/roseba/public_html/lib/Cake/Utility/Debugger.php on line 342