Fatal error: Uncaught Error: Call to undefined function socket_create() in /var/www/sites/for_new_app/Chat-API-master/src/whatsprot.class.php:173 Stack trace: #0 /var/www/sites/for_new_app/Chat-API-master/examples/contactsync.php(44): WhatsProt->connect() #1 {main} thrown in /var/www/sites/for_new_app/Chat-API-master/src/whatsprot.class.php on line 173