A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_ACCEPT_LANGUAGE

Filename: helpers/funciones_helper.php

Line Number: 1281

Backtrace:

File: /var/www/gestion.pre.medicalcenter.io/httpdocs/public/application/helpers/funciones_helper.php
Line: 1281
Function: _error_handler

File: /var/www/gestion.pre.medicalcenter.io/httpdocs/public/application/controllers/Login.php
Line: 19
Function: establecer_idioma_segun_navegador

File: /var/www/gestion.pre.medicalcenter.io/httpdocs/public/index.php
Line: 330
Function: require_once