I HATE DECALS its the one aspect of this hobby I don't get on with. As you can see the decal bent under itself and part was destroyed trying to get it back straight.
3 choices First remove and hand paint the shield. Second let it dry and touch up the bit that are missing Third if it was an ordinary soldier could do battle damage to the shield - but this is a praetorian guard so with best uniform on.
Shall go and have my tea and think about it -- and YES the language was blue when it happened , before you ask.