( ! ) Fatal error: Class CI_Session_database_driver contains 5 abstract methods and must therefore be declared abstract or implement the remaining methods (SessionHandlerInterface::, SessionHandlerInterface::, SessionHandlerInterface::, ...) in C:\wamp64\www\www2\system\libraries\Session\drivers\Session_database_driver.php on line 49
Call Stack
#TimeMemoryFunctionLocation
10.0007409288{main}( )...\index.php:0
20.0018462416require_once( 'C:\wamp64\www\www2\system\core\CodeIgniter.php' )...\index.php:315
30.01741280736Home->__construct( )...\CodeIgniter.php:518
40.01741280736CI_Controller->__construct( )...\Home.php:13
50.01901447344CI_Loader->initialize( )...\Controller.php:79
60.01901447344CI_Loader->_ci_autoloader( )...\Loader.php:157
70.02171528104CI_Loader->library( )...\Loader.php:1355
80.02171528104CI_Loader->library( )...\Loader.php:202
90.02171528104CI_Loader->_ci_load_library( )...\Loader.php:218
100.02181528288CI_Loader->_ci_load_library( )...\Loader.php:1082
110.02201528320CI_Loader->_ci_load_stock_library( )...\Loader.php:1037
120.02311697760CI_Loader->_ci_init_library( )...\Loader.php:1174
130.02321697992CI_Session->__construct( )...\Loader.php:1281
140.02331698016CI_Session->_ci_load_classes( )...\Session.php:99
150.02431758040require_once( 'C:\wamp64\www\www2\system\libraries\Session\drivers\Session_database_driver.php' )...\Session.php:228

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at C:\wamp64\www\www2\system\libraries\Session\drivers\Session_database_driver.php:49)

Filename: core/Common.php

Line Number: 570

Backtrace:

A PHP Error was encountered

Severity: Error

Message: Class CI_Session_database_driver contains 5 abstract methods and must therefore be declared abstract or implement the remaining methods (SessionHandlerInterface::, SessionHandlerInterface::, SessionHandlerInterface::, ...)

Filename: drivers/Session_database_driver.php

Line Number: 49

Backtrace: