else if ((cost == 0) || player.reduceAdena("Community Board Buffer", cost, null, true))
SkillData.getInstance().getSkill(skillId, SkillData.getInstance().getMaxLevel(skillId)).applyEffects(null, target);
is because on your html givebufss command u have 0 on the level, change the level and try again.Also on the apply effects try removing null and add target, targetIs this customized buffer or smth?