Undefined array key "exp"
#0 /var/www/html/red/usuarios/i3l/reservar.php(88): devel_error_handler()
Array
(
    [errno] => 2
    [message] => Undefined array key "exp"
    [file] => /var/www/html/red/usuarios/i3l/reservar.php
    [line] => 88
    [er] => 24565
    [shell] => 
)

Undefined array key "orden"
#0 /var/www/html/red/usuarios/i3l/reservar.php(89): devel_error_handler()
Array
(
    [errno] => 2
    [message] => Undefined array key "orden"
    [file] => /var/www/html/red/usuarios/i3l/reservar.php
    [line] => 89
    [er] => 24565
    [shell] => 
)

Undefined array key "programa"
#0 /var/www/html/red/usuarios/i3l/reservar.php(91): devel_error_handler()
Array
(
    [errno] => 2
    [message] => Undefined array key "programa"
    [file] => /var/www/html/red/usuarios/i3l/reservar.php
    [line] => 91
    [er] => 24565
    [shell] => 
)

Undefined variable $mensaje
#0 /var/www/html/red/usuarios/i3l/reservar.php(108): devel_error_handler()
Array
(
    [errno] => 2
    [message] => Undefined variable $mensaje
    [file] => /var/www/html/red/usuarios/i3l/reservar.php
    [line] => 108
    [er] => 24565
    [shell] => 
)

Undefined array key "valid_id_user"
#0 /var/www/html/red/usuarios/i3l/reservar.php(118): devel_error_handler()
Array
(
    [errno] => 2
    [message] => Undefined array key "valid_id_user"
    [file] => /var/www/html/red/usuarios/i3l/reservar.php
    [line] => 118
    [er] => 24565
    [shell] => 
)