I am using PHPBB3 Version 3.1.5 after installing Oneall to PHPBB3 EXT folder, and login with steam as the selected social network media
I get this error
Illegal use of $_POST. You must use the request class or request_var() to access input data. Found in /hermes/bosnaweb10a/b281/ipg.onccrcom/rust/includes/functions_oa_social_login.php on line 278. This error message was generated by deactivated_super_global.
The error is generated by the PHPBB3 Board itself.