Hi
dear staff:
can you help me my https://taichungmart.myht.org/index.php/%E9%A6%96%E9%A0%81 this wiki install https://www.mediawiki.org/wiki/Extension:Echo and https://www.mediawiki.org/wiki/Extension:StructuredDiscussions two extensions? thanks you.

You can edit source code yourself.

Main Menu >> MySite >> (your site) Folder.

And upload extention files there.

すいません、私も日本語版植物百科事典wikiをのソースを編集したいのですができません。どうすればいいでしょうか。

i try it already, but not success!
how can i do?

i know https://www.mediawiki.org/wiki/Extension:Echo/ja

but not install success.

can you help me?

MediaWiki internal error.

Original exception: [YcWo0hgneDrlIe9L2VX14QAAAA8] 2021-12-24 11:02:50: Fatal exception of type "Wikimedia\Rdbms\DBQueryError"

Exception caught inside exception handler.

Set $wgShowExceptionDetails = true; at the bottom of LocalSettings.php to show detailed debugging information.

http://◯◯◯(サブドメイン).myht.org/mw-config/にアクセスして画面の指示に従って設定して下さい。

myht.org/mw-config/index.php ?

You must upload the file of echo on myht.I'll　explain you how to introduce Echo.

first,Get Echo.Have you done this?
second,Upload the file in "extension" file.
third,Add a sentence「wfLoadExtension( 'Echo' );」in "Localsettings.php".After that,you have to run the script.When you access[https://(Set your domain here)/xxupdate.php],you can Introduce echo.