Few Bugs on Server still left

Well my server is online but it has still some bugs :

-30 day / 15 day / 7 day conti doesnt work it makes a 5 min buff on my char
- activated items like xp stone , repair hammer etc disappear after relogg
- skills disappear after relogg too (skill reset stone helps but its annoying)
- When i saw a char hes almost invisible and got a wrong name

How can i fix that?

Something like that happened to possum when he was trying to mix EP3 and EP4 client... he got the

***- skills disappear after relogg too (skill reset stone helps but its annoying)
- When i saw a char hes almost invisible and got a wrong name***