pos4da

For this [Warning]: It is NOT RECOMMENDED to use a wildcard IP range on allowed server IPs.
 
go to conf/network.conf
 
Find this
 
allowed: (
        "0.0.0.0:0.0.0.0",
then changed it to your IP server.
 
sample:
 
allowed: (
        "127.0.0.1:255.255.255.255",
 
 
For this [Warning]: Error skillid2dx [10016] = 1338 failed, 10016 is greater than MAX_SKILL_ID (10016)
I tried to install new latest github releases, same with the issues. 

it looks you are running in centos VPS. 
 
1. You have to check your SELINUX first using command getenforce and the results should be Disabled
To disable SELINUX, login on your VPS using root user and you can type command getenforce 0 to set disable.
 
2. Second please try to disable your firewall
To check if you have running firewall you can type command on your root login using command 
iptables -nL OR systemctl status firewalld
 
you can temporary disable your firewall using command 
 systemctl stop firewalld then try to connect again on your RO client. 
 
if the issues is firewall, you have to configure your firewall properly and open specific port only.
 
NOTE: DISABLE FIREWALL IS NOT SAFE, IT MAY CAUSE YOUR SERVER OPEN TO PUBLIC.
 

try my Guide maybe you can figure it out..