Phantasy Star Zero Item glitch

Well, I don't know what happened, But my weapon is in the slot or position I would equip my armour! When ever I try to remove it, it doesn't do anything.
I've spent so much time on my character. About 38 Hours and 54 minutes. Please someone help.
If you didn't get any of that. Here's a simple version.
I can't equip my my armour and I spent a lot of time into this game.
Oh right, and I can still equip weapons in my weapon slot though. -_-
Help please.
Thanks in advance.

So what are you attacking with? Your glitched weapon or an equiped weapon?

I tried to equip my mag and now it's happening to my armour. It's happening to my equipped weapon.
My equips are:
Clair Doubles+20
Arquebus Armour
Hero/Power
Master/Gaurd
Hero/Power
Divine/HP
And in my mag slot....
Arquebus armour?!
God help me! T_____T
Actually, the Buddha...
: DDD