Undefined array key "fecha1"
#0 /var/www/html/red/usuarios/list/lst_becas_ins.php(3): devel_error_handler()
Array
(
    [errno] => 2
    [message] => Undefined array key "fecha1"
    [file] => /var/www/html/red/usuarios/list/lst_becas_ins.php
    [line] => 3
    [er] => 24565
    [shell] => 
)

Undefined array key "fecha2"
#0 /var/www/html/red/usuarios/list/lst_becas_ins.php(4): devel_error_handler()
Array
(
    [errno] => 2
    [message] => Undefined array key "fecha2"
    [file] => /var/www/html/red/usuarios/list/lst_becas_ins.php
    [line] => 4
    [er] => 24565
    [shell] => 
)

Undefined array key "centro"
#0 /var/www/html/red/usuarios/list/lst_becas_ins.php(5): devel_error_handler()
Array
(
    [errno] => 2
    [message] => Undefined array key "centro"
    [file] => /var/www/html/red/usuarios/list/lst_becas_ins.php
    [line] => 5
    [er] => 24565
    [shell] => 
)

Undefined array key "proy"
#0 /var/www/html/red/usuarios/list/lst_becas_ins.php(6): devel_error_handler()
Array
(
    [errno] => 2
    [message] => Undefined array key "proy"
    [file] => /var/www/html/red/usuarios/list/lst_becas_ins.php
    [line] => 6
    [er] => 24565
    [shell] => 
)

Acceso NO válido