This method has been documented as a successful temporary fix. As one forum user explained, "o yazı çıkınca 1 dk bekle alt tab yap 1-2 dk masaüstünde takıl... yazı 10 saniye içinde kaybolmazsa tekrar alt tab yap" (When that text appears, wait 1 minute, alt-tab, stay on the desktop for 1-2 minutes... if the text doesn't disappear within 10 seconds, alt-tab again).
. This often grants the game the necessary permissions to finish the sync. Install/Update Social Club