[REQUEST] ANY GOOD WHITELIST ADDON

Hello, I'm in need of a whitelisting system for my server, and apparently Billys whitelist doesn't work anymore. :/

"This is the error im receiving if anyone knows if this is fixable, please lmk"
[ERROR] addons/_bwhitelist-revamped-12/lua/bwhitelist/sh.lua:145: Calling net.Start with unpooled message name! [http://goo.gl/qcx0y]
1. Start - [C]:-1
2. nets - addons/_bwhitelist-revamped-12/lua/bwhitelist/sh.lua:145
3. unknown - addons/_bwhitelist-revamped-12/lua/bwhitelist/cl.lua:1162
4. unknown - lua/includes/modules/concommand.lua:54


thanks in advance, ~ Coldhart <3