bug in bonuses?

[Bladesworn]

The above picture is a bug I noticed. When walking around or even when fighting in instances/quests, I will lose my full attack bonus. As you can see here, I am a lvl 5 melee character. My BAB is +5. My Str is 18 (nets me a +4), I have a +2 weapon and a feat that give me +1 to hit with my bastard. I should be at +12, but instead, I am at +8. My BAB and Str bonus alone is a +9. Whats happening here? I noticed this after dying in performing the Garrison Pack quest on Elite and I was soloing it. I've done this quest on elite before by myself and never had a problem. This time, I died twice because I noticed I wasn't htitting as often as I should be. Then I saw my +to hit roll was only a +8 and not the usual +12. I wasn't cursed, or debuffed or hit with anything in anyway.

Anyone else ever see this?

[NKspeed]

Whenever you are moving, you take a -4 to hit, stand still and reopen then inventory and you will see it go back to +12

[Impaqt]

-4 While Moving.

Everthign is fine.