Some Errors hope to help ...

hello
sorry for annoyed :(
have some problems hope to find solution for it :)

1-NPC have weapons D13+10 when i try to use it say "cannot equip because of tribe difference"
and same weapons +8 i can use it !!
also how to add Set +10 FB and can use it !

2- how can i add weapons FB in NPC ?

3- Angel spirit already in item mall but can't buy .. i think because of not added to DB .. Can i do that ? "I read threads of Angel Spirit's adding but not understand this point :("

4-how can i add Special Premium Gold Time to DB?

5- item mall not contain Global chat ! how add ?

Thanks