This discussion at Omni-bot forum might be related http://www.omni-bot.com/forum/showthread.php?3159-Medic-gives-medpacks-instead-of-reviving-with-needle In general, I haven't noticed this effect or know what might be causing it. EDIT: Another thread about it at Omni-bot forum http://www.omni-bot.com/forum/showthread.php?3167-0-82-Beta-Revive-Goal