When tshock start with -lang 7 ,the /help command can't work.

[fireflyoo]

• TShock version:5.1.3 for Terraria 1.4.4.9
• TShock build number (if known):?

Reproduction steps (if applicable)?

1. start tshock with "-lang 7"
2. then join in Game with Terraria Client..
3. type "/help" in the game.
4. it doesn't work,but in Server console it works well.

[sgkoishi]

I actually saw lots of such reports with the error message Invalid command entered. Type /help for a list of valid commands. (and its -lang 7 translation: 输入的命令无效。使用{0}help 获取可用的指令列表。)
I was never able to reproduce it, but most said

• .help works but /help shows the error
• magically fixed after re-download

Some additional info:

• Only reproducible with mobile client
• Many of them are known to be using translated client (might be the cause)

[HAHH9527]

I have same problem, I try disable 官方Wiki中文语言包, /help command is work.
So using translated client maybe is main reason.

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The following information is intended to make it easier for Chinese-speaking players to find this issue and troubleshoot it.
如果你碰到了输入的命令无效。使用/help 获取可用的指令列表，请尝试禁用语言包类mod。

[sgkoishi]

I have same problem, I try disable 官方Wiki中文语言包, /help command is work. So using translated client maybe is main reason.

The following information is intended to make it easier for Chinese-speaking players to find this issue and troubleshoot it. 如果你碰到了输入的命令无效。使用/help 获取可用的指令列表，请尝试禁用语言包类mod。

The cause is not the language pack. The 官方Wiki中文语言包 is not doing anything wrong, but TShock is the source of the bug. Follow the above link in yaaiomi:

Terraria will translate chat commands into command id. TShock translate them back to keep the command working.
However, when the server and the client have different locale, a enUS player send /help will be sent as CommandId: Help and a deDE server will translate it back to /hilfe, thus the command is broken.