cuando inicio una sesion asi:
session_start();
pero cuando corro el script me manda los siguientes errores:
Warning: session_start(): open(/tmp\sess_748904b090079c92868ad4a9d1b1dd17, O_RDWR) failed: No such file or directory (2) in C:\Archivos de programa\Apache Group\Apache2\htdocs\egresados2\validar.php on line 2
Warning: session_start(): Cannot send session cookie - headers already sent by (output started at C:\Archivos de programa\Apache Group\Apache2\htdocs\egresados2\validar.php:2) in C:\Archivos de programa\Apache Group\Apache2\htdocs\egresados2\validar.php on line 2
Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at C:\Archivos de programa\Apache Group\Apache2\htdocs\egresados2\validar.php:2) in C:\Archivos de programa\Apache Group\Apache2\htdocs\egresados2\validar.php on line 2
Warning: Unknown(): Your script possibly relies on a session side-effect which existed until PHP 4.2.3. Please be advised that the session extension does not consider global variables as a source of data, unless register_globals is enabled. You can disable this functionality and this warning by setting session.bug_compat_42 or session.bug_compat_warn to off, respectively. in Unknown on line 0
Warning: Unknown(): open(/tmp\sess_748904b090079c92868ad4a9d1b1dd17, O_RDWR) failed: No such file or directory (2) in Unknown on line 0
Warning: Unknown(): Failed to write session data (files). Please verify that the current setting of session.save_path is correct (/tmp) in Unknown on line 0
Alguien sabe como solusionar mi problema se los agradecere siempre. bye
GRACIAS
