( ! ) Warning: session_start(): open(/var/lib/php/session/sess_fevauoo6go7lirikhu6ii8ev2p, O_RDWR) failed: No space left on device (28) in /var/www/html/web/alumnodatos/resumenCursadas/exportar_resumen.php on line 2
Call Stack
#	Time	Memory	Function	Location
1	0.0001	399248	{main}( )	.../exportar_resumen.php:0
2	0.0001	399248	session_start ( )	.../exportar_resumen.php:2

( ! ) Warning: session_start(): Failed to read session data: files (path: /var/lib/php/session) in /var/www/html/web/alumnodatos/resumenCursadas/exportar_resumen.php on line 2
Call Stack
#	Time	Memory	Function	Location
1	0.0001	399248	{main}( )	.../exportar_resumen.php:0
2	0.0001	399248	session_start ( )	.../exportar_resumen.php:2

Error conectando a la base de datos. Comuniquese con Centro de Computos.

Descripcion del error:
could not find driver