Player ID case sensitive invalid

[lelmc]

Profile opened

Should the player name always be case sensitive equal to the time the player registered?

caseSensitiveNameCheck=true

After player ABC the game registration, offline, abc can be re registered

Version: flexiblelogin-0.18-SNAPSHOT
sponge version: 7.1.x -7.1.7 There are all these problems

I hope you can fix it. Thank you