Add user meta fields on creating the user

You’re missing one more action, that is fired when new user is created:

add_action( 'user_register', 'save_extra_profile_fields', 10, 1 );

documented in wordpress codex.

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)