( ! ) Warning: session_start(): open(/var/lib/php/session/sess_apuf24c1p1vrtg1frsrdkmsmc4, O_RDWR) failed: No space left on device (28) in /var/www/html/web/alumnodatos/cursadas/selecciona_comision.php on line 2
Call Stack
#	Time	Memory	Function	Location
1	0.0001	400536	{main}( )	.../selecciona_comision.php:0
2	0.0002	400536	session_start ( )	.../selecciona_comision.php:2

( ! ) Warning: session_start(): Failed to read session data: files (path: /var/lib/php/session) in /var/www/html/web/alumnodatos/cursadas/selecciona_comision.php on line 2
Call Stack
#	Time	Memory	Function	Location
1	0.0001	400536	{main}( )	.../selecciona_comision.php:0
2	0.0002	400536	session_start ( )	.../selecciona_comision.php:2

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

Descripcion del error:
could not find driver