Invalid username given.Please try rt

翻译下Username contains invalid character. Invalid username given.Please try rt Invalid Username.You must have at least 4 characters and a max of 14 characters in your username. username 不行啊 提示：Invalid username/password combination.Please try again.怎么办 这句话啥意思?You have specified an incorrect or inactive username, or an invalid password. username contains invalid characters.it may only use a-z,0-9 Please correct the issues below: Invalid Username, should be 4-12 alphanumerals in length 是什么意 Invalid 美服英雄联盟,出现了Invalid username/password combination.Please try again.怎么回事?密码和账号绝对正确,重新申请一个也是如此 当我输入后,出现这句：Username invalid可不可以顺便说一下在国外的网站注册用户名,应该输入怎样的用户名, form1.username. 宝洁GIV是什么意思 Invalid phone invalid product Invalid email invalid account. Invalid license,