An uncaught Exception was encountered

Type: Error

Message: Call to undefined function curl_init()

Filename: /var/www/html/application/libraries/App_service.php

Line Number: 48

Backtrace:

File: /var/www/html/application/controllers/Landing_page.php
Line: 497
Function: call_api

File: /var/www/html/index.php
Line: 315
Function: require_once