solucion error al ingresar user y pass

[nelson1030]

en mi caso no e deja hacer ningun cambio y cada ves que trato de dar ei IPTV RESET me sale esto
A PHP Error was encountered
Severity: Notice

Message: Undefined index: recaptcha_challenge_field

Filename: controllers/main.php

Line Number: 1127

A PHP Error was encountered
Severity: Notice

Message: Undefined index: recaptcha_response_field

Filename: controllers/main.php

Line Number: 1128

A PHP Error was encountered
Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home/loginiks/public_html/system/libraries/Exceptions.php:166)

Filename: libraries/Session.php

Line Number: 662
tengo AVOV VIVO 2