( ! ) Notice: Use of undefined constant DEV_MODE - assumed 'DEV_MODE' in /var/www/html/application/Bootstrap.php on line 62
Call Stack
#	Time	Memory	Function	Location
1	0.0000	230344	{main}( )	.../index.php:0
2	0.0026	685056	Zend_Application->bootstrap( )	.../index.php:54
3	0.0026	685176	Zend_Application_Bootstrap_BootstrapAbstract->bootstrap( )	.../Application.php:373
4	0.0026	685264	Zend_Application_Bootstrap_BootstrapAbstract->_bootstrap( )	.../BootstrapAbstract.php:598
5	0.0027	687424	Zend_Application_Bootstrap_BootstrapAbstract->_executeResource( )	.../BootstrapAbstract.php:634
6	0.0027	688240	Bootstrap->_initApplication( )	.../BootstrapAbstract.php:681

( ! ) Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/application/Bootstrap.php:62) in /var/www/html/includes/ggbSession.php on line 34
Call Stack
#	Time	Memory	Function	Location
1	0.0000	230344	{main}( )	.../index.php:0
2	0.0061	1808296	Zend_Application->run( )	.../index.php:55
3	0.0061	1808416	Zend_Application_Bootstrap_Bootstrap->run( )	.../Application.php:384
4	0.0062	1809480	Zend_Controller_Front->dispatch( )	.../Bootstrap.php:105
5	0.0063	1863128	Zend_Controller_Plugin_Broker->routeStartup( )	.../Front.php:908
6	0.0063	1863728	GeoGebra_Controller_Plugin_Layout->routeStartup( )	.../Broker.php:237
7	0.0064	1892400	require_once( '/var/www/html/includes/config.php' )	.../Layout.php:39
8	0.0064	1905512	require_once( '/var/www/html/includes/config-static.php' )	.../config.php:35
9	0.0064	1916536	require_once( '/var/www/html/includes/ggbSession.php' )	.../config-static.php:10
10	0.0064	1917840	setcookie ( )	.../ggbSession.php:34

( ! ) Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/application/Bootstrap.php:62) in /var/www/html/includes/ggbSession.php on line 52
Call Stack
#	Time	Memory	Function	Location
1	0.0000	230344	{main}( )	.../index.php:0
2	0.0061	1808296	Zend_Application->run( )	.../index.php:55
3	0.0061	1808416	Zend_Application_Bootstrap_Bootstrap->run( )	.../Application.php:384
4	0.0062	1809480	Zend_Controller_Front->dispatch( )	.../Bootstrap.php:105
5	0.0063	1863128	Zend_Controller_Plugin_Broker->routeStartup( )	.../Front.php:908
6	0.0063	1863728	GeoGebra_Controller_Plugin_Layout->routeStartup( )	.../Broker.php:237
7	0.0064	1892400	require_once( '/var/www/html/includes/config.php' )	.../Layout.php:39
8	0.0064	1905512	require_once( '/var/www/html/includes/config-static.php' )	.../config.php:35
9	0.0064	1916536	require_once( '/var/www/html/includes/ggbSession.php' )	.../config-static.php:10
10	0.0065	1918088	setcookie ( )	.../ggbSession.php:52

( ! ) Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/application/Bootstrap.php:62) in /var/www/html/library/GeoGebra/Auth/User.php on line 118
Call Stack
#	Time	Memory	Function	Location
1	0.0000	230344	{main}( )	.../index.php:0
2	0.0061	1808296	Zend_Application->run( )	.../index.php:55
3	0.0061	1808416	Zend_Application_Bootstrap_Bootstrap->run( )	.../Application.php:384
4	0.0062	1809480	Zend_Controller_Front->dispatch( )	.../Bootstrap.php:105
5	0.0063	1863128	Zend_Controller_Plugin_Broker->routeStartup( )	.../Front.php:908
6	0.0080	1939144	GeoGebra_Controller_Plugin_L18n->routeStartup( )	.../Broker.php:237
7	0.0082	1979520	GeoGebra_User_LoginServer->setInterfaceLanguage( )	.../L18n.php:149
8	0.0082	1979584	GeoGebra_User->setInterfaceLanguage( )	.../UserLoginServer.php:148
9	0.0082	1979824	setcookie ( )	.../User.php:118

( ! ) Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/application/Bootstrap.php:62) in /var/www/html/library/GeoGebra/Auth/User.php on line 119
Call Stack
#	Time	Memory	Function	Location
1	0.0000	230344	{main}( )	.../index.php:0
2	0.0061	1808296	Zend_Application->run( )	.../index.php:55
3	0.0061	1808416	Zend_Application_Bootstrap_Bootstrap->run( )	.../Application.php:384
4	0.0062	1809480	Zend_Controller_Front->dispatch( )	.../Bootstrap.php:105
5	0.0063	1863128	Zend_Controller_Plugin_Broker->routeStartup( )	.../Front.php:908
6	0.0080	1939144	GeoGebra_Controller_Plugin_L18n->routeStartup( )	.../Broker.php:237
7	0.0082	1979520	GeoGebra_User_LoginServer->setInterfaceLanguage( )	.../L18n.php:149
8	0.0082	1979584	GeoGebra_User->setInterfaceLanguage( )	.../UserLoginServer.php:148
9	0.0082	1979952	setcookie ( )	.../User.php:119

( ! ) Fatal error: Uncaught exception 'Zend_Controller_Response_Exception' with message 'Cannot send headers; headers already sent in /var/www/html/application/Bootstrap.php, line 62' in /var/www/html/vendor/zendframework/zendframework1/library/Zend/Controller/Response/Abstract.php on line 323
( ! ) Zend_Controller_Response_Exception: Cannot send headers; headers already sent in /var/www/html/application/Bootstrap.php, line 62 in /var/www/html/vendor/zendframework/zendframework1/library/Zend/Controller/Response/Abstract.php on line 323
Call Stack
#	Time	Memory	Function	Location
1	0.0000	230344	{main}( )	.../index.php:0
2	0.0061	1808296	Zend_Application->run( )	.../index.php:55
3	0.0061	1808416	Zend_Application_Bootstrap_Bootstrap->run( )	.../Application.php:384
4	0.0062	1809480	Zend_Controller_Front->dispatch( )	.../Bootstrap.php:105
5	0.0453	4018472	Zend_Controller_Response_Abstract->sendResponse( )	.../Front.php:992
6	0.0453	4018568	Zend_Controller_Response_Abstract->sendHeaders( )	.../Abstract.php:768
7	0.0453	4018616	Zend_Controller_Response_Abstract->canSendHeaders( )	.../Abstract.php:341