@Flokui224, All you need to do is to edit your sro_client according to the information provided by
@Mico and also set your RefSkill table according to the server cap
You need to use OlyDbg to edit sro_client. If you don't know how to use it, there are videos about it on Youtube.
Also, I ask you to follow the thread you opened. An answer like solved or not solved is not bad. Because people spend their valuable time here and give information like
@Mico If you don't know what I'm talking about above, please do some research. There are topics about using olydbg + setting max skills on vsro.org and many other resources