( ! ) Warning: session_start(): Failed to read session data: user (path: c:/wamp64/tmp) in C:\wamp64\www\gad\libraries\joomla\session\session.php on line 665
Call Stack
#TimeMemoryFunctionLocation
10.0004356456{main}( )...\index.php:0
20.0108400640JFactory::getApplication( $id = 'site', $config = ???, $prefix = ??? )...\index.php:42
30.0124418656JApplicationCms::getInstance( $name = 'site' )...\factory.php:125
40.0126430328JApplicationSite->__construct( $input = ???, $config = ???, $client = ??? )...\cms.php:399
50.0126430328JApplicationCms->__construct( $input = NULL, $config = NULL, $client = NULL )...\site.php:63
60.0158455408JApplicationCms->loadSession( $session = ??? )...\cms.php:131
70.0165538272JSession->start( )...\cms.php:739
80.0165538272JSession->_start( )...\session.php:603
90.0167540360session_start( )...\session.php:665

( ! ) Fatal error: Cannot use Joomla\String\String as String because 'String' is a special class name in C:\wamp64\www\gad\libraries\vendor\joomla\registry\src\Format\Json.php on line 12
Call Stack
#TimeMemoryFunctionLocation
10.0004356456{main}( )...\index.php:0
20.0108400640JFactory::getApplication( $id = 'site', $config = ???, $prefix = ??? )...\index.php:42
30.0124418656JApplicationCms::getInstance( $name = 'site' )...\factory.php:125
40.0126430328JApplicationSite->__construct( $input = ???, $config = ???, $client = ??? )...\cms.php:399
50.0126430328JApplicationCms->__construct( $input = NULL, $config = NULL, $client = NULL )...\site.php:63
60.0158455408JApplicationCms->loadSession( $session = ??? )...\cms.php:131
70.0165538272JSession->start( )...\cms.php:739
81.0824568776JEventDispatcher->trigger( $event = 'onAfterSessionStart', $args = ??? )...\session.php:616
91.0824568824JApplicationCms->afterSessionStart( )...\dispatcher.php:165
101.0825568904Joomla\Registry\Registry->__construct( $data = 'session' )...\cms.php:148
111.0825568944Joomla\Registry\Registry->loadString( $data = 'session', $format = ???, $options = ??? )...\Registry.php:66
121.0829569016Joomla\Registry\AbstractRegistryFormat::getInstance( $type = 'JSON' )...\Registry.php:357
131.0829569120class_exists( $classname = '\\Joomla\\Registry\\Format\\Json' )...\AbstractRegistryFormat.php:45
141.0829569272spl_autoload_call( $class_name = 'Joomla\\Registry\\Format\\Json' )...\AbstractRegistryFormat.php:45
151.0829569368JClassLoader->loadClass( $class = 'Joomla\\Registry\\Format\\Json' )...\AbstractRegistryFormat.php:45
161.0829569368Composer\Autoload\ClassLoader->loadClass( $class = 'Joomla\\Registry\\Format\\Json' )...\loader.php:55
171.0832569448Composer\Autoload\includeFile( $file = 'C:\\wamp64\\www\\gad\\libraries\\vendor/joomla/registry/src\\Format\\Json.php' )...\ClassLoader.php:301