What version of AdvancedBan (/AdvancedBan) are you using?
What kind of server do you have (Bungeecord/single server)?
What server version (/version) are you using?
Please provide the EXACT steps required to reproduce the problem... 1. 2. 3.
Any error/log post it through pastebin.com and link it here. (Also include /plugins/AdvancedBan/logs/latest.log)
Add any additional information below.