[url=https://www.bungie.net/en/Help/Article/12539]Clearing the console cache[/url] by powering down and leaving the hardware unplugged for at least 5 minutes, or [url=https://support.steampowered.com/kb_article.php?ref=3134-TIAL-4638&l=]clearing the Download Cache[/url] and verifying the game files via Steam, could potentially help correct these kinds of issues. Did you capture a video showing completion of a Heroic Public Event but no progress recorded in the quest?