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

Fatal error: During inheritance of ArrayAccess: Uncaught Error: Class "String" not found in /home/octoberpub/sibatest.org/lib/Cake/Utility/Debugger.php:342 Stack trace: #0 /home/octoberpub/sibatest.org/lib/Cake/Utility/Debugger.php(747): Debugger::trace(Array) #1 /home/octoberpub/sibatest.org/lib/Cake/Error/ErrorHandler.php(200): Debugger->outputError(Array) #2 /home/octoberpub/sibatest.org/lib/Cake/Network/CakeRequest.php(32): ErrorHandler::handleError(8192, 'Return type of ...', '/home/octoberpu...', 941) #3 /home/octoberpub/sibatest.org/lib/Cake/Core/App.php(567): include('/home/octoberpu...') #4 /home/octoberpub/sibatest.org/lib/Cake/Error/ExceptionRenderer.php(146): App::load('CakeRequest') #5 /home/octoberpub/sibatest.org/lib/Cake/Error/ExceptionRenderer.php(95): ExceptionRenderer->_getController(Object(FatalErrorException)) #6 /home/octoberpub/sibatest.org/lib/Cake/Error/ErrorHandler.php(122): ExceptionRenderer->__construct(Object(FatalErrorException)) #7 /home/octoberpub/sibatest.org/lib/Cake/Error/ErrorHandler.php(233): ErrorHandler::handleException(Object(FatalErrorException)) #8 /home/octoberpub/sibatest.org/lib/Cake/Error/ErrorHandler.php(184): ErrorHandler::handleFatalError(64, 'Cannot use 'Str...', '/home/octoberpu...', 27) #9 /home/octoberpub/sibatest.org/lib/Cake/Core/App.php(931): ErrorHandler::handleError(64, 'Cannot use 'Str...', '/home/octoberpu...', 27, Array) #10 /home/octoberpub/sibatest.org/lib/Cake/Core/App.php(904): App::_checkFatalError() #11 [internal function]: App::shutdown() #12 {main} in /home/octoberpub/sibatest.org/lib/Cake/Network/CakeRequest.php on line 32