Internal server error

File: /var/www/html/qelpcare/system/libraries/API.php
Line: 95
Function: call

File: /var/www/html/qelpcare/system/core/QelpCare.php
Line: 99
Function: device_atlas

File: /var/www/html/qelpcare/system/core/QelpCare.php
Line: 60
Function: deviceAtlas

File: /var/www/html/qelpcare/system/core/App.php
Line: 11
Function: __construct

File: /var/www/html/qelpcare/claro.com.pe/application/controllers/Welcome.php
Line: 10
Function: __construct

File: /var/www/html/qelpcare/system/core/CodeIgniter.php
Line: 518
Function: __construct

File: /var/www/html/qelpcare/claro.com.pe/index.php
Line: 315
Function: require_once