Error.Username.UnderscopeEnd

A username can't end with an underscore.
40
Applied
用户名不能以下划线结尾。
12/40
𝐆𝐫𝐨𝐮𝐩, Jan 31, 2019 at 01:14
Applied
用户名不能以下划线结尾.
12/40
𝐆𝐫𝐨𝐮𝐩, Mar 11, 2019 at 05:34