Fatal error: Cannot use 'String' as class name as it is reserved in /home/openmind/domains/open-mind.pt/public_html/lib/Cake/Utility/String.php on line 24

Fatal error: Uncaught Error: Class "String" not found in /home/openmind/domains/open-mind.pt/public_html/lib/Cake/Utility/Debugger.php:340 Stack trace: #0 /home/openmind/domains/open-mind.pt/public_html/lib/Cake/Utility/Debugger.php(742): Debugger::trace() #1 /home/openmind/domains/open-mind.pt/public_html/lib/Cake/Error/ErrorHandler.php(229): Debugger->outputError() #2 [internal function]: ErrorHandler::handleError() #3 /home/openmind/domains/open-mind.pt/public_html/lib/Cake/Log/Engine/FileLog.php(142): file_put_contents() #4 /home/openmind/domains/open-mind.pt/public_html/lib/Cake/Log/CakeLog.php(442): FileLog->write() #5 /home/openmind/domains/open-mind.pt/public_html/lib/Cake/Error/ErrorHandler.php(252): CakeLog::write() #6 /home/openmind/domains/open-mind.pt/public_html/lib/Cake/Error/ErrorHandler.php(213): ErrorHandler::handleFatalError() #7 /home/openmind/domains/open-mind.pt/public_html/lib/Cake/Core/App.php(933): ErrorHandler::handleError() #8 /home/openmind/domains/open-mind.pt/public_html/lib/Cake/Core/App.php(906): App::_checkFatalError() #9 [internal function]: App::shutdown() #10 {main} thrown in /home/openmind/domains/open-mind.pt/public_html/lib/Cake/Utility/Debugger.php on line 340